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List of districts of Tamil Nadu

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Districts of Tamil Nadu
Districts of Tamil Nadu
Category	Districts
Location	Tamil Nadu
Number	38 districts
Populations	Perambalur – 565,223 (lowest);Chennai – 7,139,630 (highest)
Areas	Chennai – 426 km² (164 sq mi) (smallest);Dindigul – 6,266.64 km² (2,419.56 sq mi) (largest)
Government	Government of Tamil Nadu
Subdivisions	List of revenue divisions in Tamil Nadu

TheIndian state ofTamil Nadu is divided into 38districts.Districts are the major administrative divisions of a state and are further sub-divided into smallertaluks.

During theBritish Raj,12 districts of the erstwhileMadras Presidency had their boundaries within the present-day Tamil Nadu. Post theIndian Independence in 1947 and thepolitical integration, the Madras Province inherited parts of the earlier Madras Presidency. Following the adoption of theConstitution of India in 1950, theMadras State was formed, which was further reorganized in 1953 and 1956. After thereorganization of Indian states in 1956, the state had 13 re-organized districts, which were further divided later over the years.

Between 1960 and 1980, three additional districts were formed. In the late eighties, five more districts were bifurcated from existing districts. Ten more districts were formed in the nineties, taking the total count to 30. Three new districts were bifurcated in the 2000s. In 2019–20, five more districts were formed for a total of 38 districts.

History

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Before 1947

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Districts of Madras in 1956 with 2009 boundaries in gray

During theBritish Raj, theMadras Presidency was made up of26 districts, 12 of which were part of the boundaries of the present-day Tamil Nadu, namely,Chingleput,Coimbatore,Nilgiris,North Arcot,Madras,Madura,Ramnad, Salem,South Arcot,Tanjore,Tinnevely, andTrichinopoly.^[1]

1947–56

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After theIndian Independence on 15 August 1947, the Madras Presidency became the Madras Province of theDominion of India. Theprincely state ofPudukottai acceded to the Indian Union on 4 March 1948 and was made as a part of the Trichinopoly district.^[2] When the newConstitution of India came into force on 26 January 1950, the Madras Province became theMadras State of theRepublic of India.^[3] The Madras State included most of the present-dayTamil Nadu,Coastal Andhra andRayalaseema regions of the present-dayAndhra Pradesh, theMalabar region of the present-dayKerala,Bellary andSouth Canara districts of the present-dayKarnataka.^[4] The Coastal Andhra and Rayalaseema regions were separated to form the newAndhra State in 1953.^[5]

As a result of there-organization of states in 1956, South Canara and Bellary districts were merged withMysore State, which became Karnataka and the Malabar district was added to theState of Travancore-Cochin to form Kerala. The Tamil speaking regions ofKanyakumari, which were earlier part of Travancore-Cochin, were merged to the Madras State.^[6] After the reorganisation, the Madras state had 13 districts namely:Chingleput,Coimbatore,Kanyakumari,Madras,Madurai,Nilgiris,North Arcot,Ramanathapuram,Salem,South Arcot,Thanjavur,Tiruchirappalli andTirunelveli.^[7]

1957–89

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Animation showing the division of districts in Tamil Nadu from 1956 to 2009.

On 2 October 1965,Dharmapuri district was bifurcated from the erstwhile Salem district comprisingDharmapuri,Harur,Hosur, andKrishnagiri taluks.^[8]
In 1969, the Madras State was renamed as Tamil Nadu.^[9]
On 14 January 1974,Pudukkottai district was formed from the parts of Tiruchirappalli and Thanjavur districts comprisingKulathur,Thirumayam,Alangudi, andAranthangi taluks.^[2]
On 31 August 1979,Erode district was bifurcated from the erstwhile Coimbatore district comprisingGobichettipalayam, andErode taluks.^[10]
On 8 March 1985,Sivaganga andVirudhunagar districts were formed from the erstwhile Ramanathapuram district. Sivaganga comprisedTirupattur,Karaikudi,Devakottai,Sivaganga,Manamadurai, andIlayangudi taluks and Virudhunagar comprisedSrivilliputhur,Virudhunagar,Tiruchuli,Aruppukottai,Sattur, andRajapalayam taluks.^[11]^[12]
On 15 September 1985,Dindigul district was bifurcated from the erstwhile Madurai district comprisingDindigul,Palani, andKodaikanal taluks.^[13]
On 20 October 1986,Thoothukudi district was split from the erstwhile Tirunelveli district comprisingThoothukudi,Ottapidaram, andTiruvaikuntam taluks.^[14]
On 30 September 1989,Tiruvannamalai andVellore districts were formed from the erstwhile North Arcot district. Tiruvannamalai district comprisedTiruvannamalai,Arni,Vandavasi,Cheyyar,Polur, andChengam taluks^[15] Vellore district comprisedArakkonam,Arcot,Gudiyatham,Tirupattur,Vellore,Vaniyambadi, andWalajapet taluks.^[16]

1990–99

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On 18 October 1991,Nagapattinam was bifurcated from the erstwhile Thanjavur district comprisingTiruvarur,Mayiladuthurai,Manargudi,Needamangalam,Nagapattinam taluks, andValangaiman fromKumbakonam taluk.^[17]
On 30 September 1993,Cuddalore andViluppuram districts were formed from the erstwhile South Arcot district. Cuddalore district comprisedCuddalore,Chidambaram, andVriddachalam taluks and Villupuram district comprisedKallakuruchi,Villupuram,Tirukkoyilur, andTindivanam taluks.^[18]^[19]
On 30 September 1995,Karur andPerambalur districts were split from the erstwhile Tiruchirappalli district with Karur district comprisingKarur,Kulithalai, andManapparai taluks and Perambalur district comprisingPerambalur, andKunnam taluks.^[20]^[21]
On 25 July 1996,Theni district was bifurcated from the erstwhile Madurai district comprisingTheni,Bodinayakanur,Periyakulam,Uthamapalayam andAndipatti taluks.^[22]
On 1 January 1997,Tiruvarur district was formed from the parts of erstwhile Nagapattinam and Thanjavur districts comprisingTiruvarur,Nannilam,Kudavasal,Needamangalam,Mannargudi,Thiruthiraipoondi taluks from Nagappatinam district andValangaiman taluk from Thanjavur district.^[23]
On 1 January 1997,Namakkal district was bifurcated from the erstwhile Salem district comprisingNamakkal,Tiruchengode,Rasipuram, andParamathi-Velur taluks.^[24]
On 1 July 1997,Kanchipuram andTiruvallur districts were split from the erstwhile Chengalpattu and Chennai districts with Kanchipuram district comprisingKanchipuram,Sriperumbudur,Uthiramerur,Chengalpattu,Tambaram,Tirukalukundram,Maduranthakam, andCheyyur taluks and Tiruvallur district comprisingTiruvallur,Tiruttani,Ponneri, andGummidipoondi taluks.^[25]

2000–present

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Map showing the 38 districts of Tamil Nadu

On 9 February 2004,Krishnagiri district was bifurcated from the erstwhile Dharmapuri district comprising Krishnagiri, Hosur,Pochampalli,Uthangarai, andDenkanikottai taluks.^[26]
On 19 November 2007,Ariyalur district was bifurcated from the erstwhile Perambalur district comprisingAriyalur,Udayarpalayam, andSendurai taluks.^[27]
On 24 October 2009,Tiruppur district was formed from the parts of Coimbatore and Erode districts comprisingTiruppur,Udumalpet taluks, parts ofPalladam andAvinashi taluks of Coimbatore district, andDharapuram,Kangeyam taluks and parts ofPerundurai taluk of Erode district.^[28]
On 5 January 2018, the Chennai district was expanded by the addition ofMadhavaram,Maduravoyal,Ambattur,Tiruvottriyur taluks, and parts of Ponneri taluk of Tiruvallur district along withAlandur, andSholinganallur taluks of Kanchipuram district.^[29]
On 22 November 2019,Tenkasi district was bifurcated from the erstwhile Tirunelveli district comprisingTenkasi,Sengottai,Kadayanallur,Sivagiri,Veerakeralampudur,Sankarankovil,Thiruvenkatam, andAlangulam taluks.^[30]
On 26 November 2019,Kallakurichi district was bifurcated from the erstwhile Viluppuram district comprising Kallakurichi,Sankarapuram,Chinnasalem,Ulundurpet,Thirukovilur andKalvarayanmalai taluks.^[31]
On 29 November 2019,Tirupattur andRanipet districts were split from the erstwhile Vellore district with Tirupattur district comprising Tirupattur, Vaniyambadi,Natrampalli, and Ambur taluks and Ranipet district comprising Walajah,Arcot,Nemili, andArakkonam taluks.^[32]
On 30 November 2019,Chengalpattu district was bifurcated from the erstwhile Kanchipuram district comprising Tirukalukundram, Chengalpattu, Madurantakam, Cheyyar,Tiruporur, Tambaram,Pallavaram, andVandalur taluks.^[33]
On 24 March 2020,Mayiladuthurai district was formed from the erstwhile Nagapattinam district comprising Mayiladuthurai,Sirkazhi,Tharangambadi, andKuthalam taluks.^[34]

List of districts

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Active districts

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District	Code	Headquarters	Estd.	Predecessor	Area (km²)^[35]	Population^[35]	Pop. density (/km²)	Divisions^[36]	Taluks^[36]	Assembly constituencies	Lok sabha constituencies
Ariyalur	ARI	Ariyalur	23 November 2007	Perambalur	2,027.6	754,894	372	Ariyalur Udayarpalayam	Andimadam Ariyalur Sendurai Udayarpalayam	Ariyalur Jayankondam	Chidambaram
Chengalpattu	CHG	Chengalpattu	29 November 2019	Kanchipuram	2,802.6	2,556,244	912	Chengalpattu Madurantakam Tambaram	Chengalpattu Cheyyur Madurantakam Pallavaram Tambaram Thiruporur Thirukazhukundram Vandalur	Cheyyur Chengalpattu Maduranthakam Pallavaram Tambaram Thiruporur	Kancheepuram Sriperumbudur
Chennai (formerlyMadras)	CHN	Chennai	1 November 1956	None	462.3	6,748,026	10,052	Chennai Central Chennai North Chennai South	Alandur Ambattur Aminjikarai Ayanavaram Egmore Guindy Kolathur Madhavaram Maduravoyal Mambalam Thirumayilai Perambur Purasawalkam Sholinganallur Tiruvottiyur Tondiarpet Velachery	Alandur Ambattur Anna Nagar Chepauk-Thiruvallikeni Dr. Radhakrishnan Nagar Egmore Harbour Kolathur Maduravoyal Madhavaram Perambur Royapuram Saidapet Sholinganallur Thiru-Vi-Ka Nagar Thirumayilai Thiruvottiyur Thousand Lights Thyagaraya Nagar Velachery Villivakkam Virugambakkam	Chennai Central Chennai North Chennai South Sriperumbudur Thiruvallur
Coimbatore	COI	Coimbatore	1 November 1956	None	4,950.7	3,458,045	699	Coimbatore North Coimbatore South Pollachi	Anaimalai Annur Coimbatore North Coimbatore South Kinathukadavu Madukkarai Mettupalayam Perur Pollachi Sulur Valparai	Kavundampalayam Kinathukadavu Mettupalayam Pollachi Coimbatore North Coimbatore South Singanallur Sulur Thondamuthur Valparai	Coimbatore Nilgiris Pollachi
Cuddalore	CUD	Cuddalore	30 September 1993	South Arcot District	3,870	2,605,914	673	Chidambaram Cuddalore Vriddachalam	Bhuvanagiri Chidambaram Cuddalore Kattumannarkoil Kurinjipadi Panruti Srimushnam Titakudi Veppur Vriddachalam	Bhuvanagiri Chidambaram Cuddalore Kattumannarkoil Kurinjipadi Neyveli Panruti Tittakudi Virudhachalam	Chidambaram Cuddalore
Dharmapuri	DHA	Dharmapuri	2 October 1965	Salem	4,735.7	1,506,843	318	Dharmapuri Harur	Dharmapuri Harur Karimangalam Nallampalli Palacode Pappireddipatti Pennagaram	Dharmapuri Harur Palacode Pappireddipatti Pennagaram	Dharmapuri
Dindigul	DIN	Dindigul	15 September 1985	Madurai	6,289.1	2,159,775	343	Dindigul Kodaikanal Palani	Athoor Dindigul-East Dindigul-West Gujiliamparai Kodaikanal Natham Nilakottai Oddanchattiram Palani Vedasandur	Athoor Dindigul Natham Nilakottai Oddanchatram Palani Vedasandur	Dindigul Karur
Erode	ERO	Erode	31 August 1979	Coimbatore	6,036	2,251,744	373	Erode Gobichettipalayam	Anthiyur Bhavani Erode Gobichettipalayam Kodumudi Modakurichi Nambiyur Perundurai Sathyamangalam Thalavadi	Anthiyur Bhavani Bhavanisagar Erode East Erode West Gobichettipalayam Modakkurichi Perundurai	Erode Nilgiris Tiruppur
Kallakurichi	KAL	Kallakurichi	26 November 2019	Viluppuram	3,440.8	1,370,281	398	Kallakkurichi Thirukoilur	Chinnasalem Kallakkurichi Kalvarayan Malai Sankarapuram Thirukoilur Ulundurpet Vanapuram	Kallakkurichi Rishivandiyam Sankarapuram Tirukkoyilur Ulundurpettai	Kallakkurichi Viluppuram
Kancheepuram	KAC	Kancheepuram	1 July 1997	Chingleput	1,800.2	1,166,401	648	Kancheepuram Sriperumbudur	Kancheepuram Kundrathur Sriperumbudur Uthiramerur Walajabad	Kancheepuram Sriperumbudur Uthiramerur	Kancheepuram Sriperumbudur
Kanyakumari	KAY	Nagercoil	1 November 1956	None	1,729.2	1,870,374	1,082	Nagercoil Padmanabhapuram	Agastheeswaram Kalkulam Killiyoor Vilavancode Thiruvattar Thovalai	Colachal Kanniyakumari Killiyur Nagercoil Padmanabhapuram Vilavancode	Kanniyakumari
Karur	KAR	Karur	30 September 1995	Tiruchirappalli	3,022.3	1,064,493	352	Karur Kulithalai	Aravakurichi Kadavur Karur Krishnarayapuram Kulithalai Manmangalam Pugalur	Aravakurichi Karur Krishnarayapuram Kulithalai	Karur Perambalur
Krishnagiri	KRI	Krishnagiri	9 February 2004	Dharmapuri	5,414.4	1,883,731	348	Hosur Krishnagiri	Anchetty Bargur Denkanikottai Hosur Krishnagiri Pochampalli Shoolagiri Uthangarai	Bargur Hosur Krishnagiri Thalli Uthangarai Veppanapalli	Krishnagiri
Madurai	MAD	Madurai	1 November 1956	None	3,846.4	3,038,252	790	Madurai Melur Usilampatti	Madurai-East Madurai-North Madurai-South Madurai-West Kallikudi Melur Peraiyur Thirumangalam Thirupparankundram Usilampatti Vadipatti	Madurai Central Madurai East Madurai North Madurai South Madurai West Melur Sholavandan Thirumangalam Thiruparankundram Usilampatti	Madurai Theni Virudhunagar
Mayiladuthurai	MAY	Mayiladuthurai	28 December 2020	Nagapattinam	1,237.1	918,356	742	Mayiladuthurai Sirkazhi	Kuthalam Mayiladuthurai Sirkazhi Tharangambadi	Mayiladuthurai Poompuhar Sirkazhi	Mayiladuthurai
Nagapattinam	NAG	Nagapattinam	18 October 1991	Thanjavur	1,459	697,069	478	Nagapattinam Vedaranyam	Kilvelur Nagapattinam Thirukkuvalai Vedaranyam	Kilvelur Nagapattinam Vedaranyam	Nagapattinam
Namakkal	NAM	Namakkal	1 January 1997	Salem	3,573.4	1,726,601	483	Namakkal Thiruchengode	Kollimalai Kumarapalayam Mohanur Namakkal Paramathi-Velur Rasipuram Senthamangalam Thiruchengode	Namakkal Kumarapalayam Paramathi-Velur Rasipuram Senthamangalam Thiruchengode	Erode Namakal
Nilgiris	NIL	Ooty	1 November 1956	None	2,452.5	735,394	300	Coonoor Gudalur Udagamandalam	Coonoor Gudalur Kotagiri Kundah Pandalur Udagamandalam	Coonoor Gudalur Udagamandalam	Nilgiris
Perambalur	PER	Perambalur	30 September 1995	Tiruchirappalli	1,836.6	565,223	308	Perambalur	Alathur Kunnam Perambalur Veppanthattai	Kunnam Perambalur	Perambalur
Pudukkottai	PUD	Pudukkottai	14 January 1974	Thanjavur andTiruchirappalli	4,847.8	1,618,345	334	Aranthangi Illuppur Pudukkottai	Alangudi Aranthangi Avadaiyarkoil Gandarvakottai Illuppur Karambakkudi Kulathur Manamelkudi Ponnamaravathi Pudukkottai Thirumayam Viralimalai	Alangudi Aranthangi Gandarvakottai Pudukottai Thirumayam Viralimalai	Karur Ramanathapuram Sivaganga Tiruchirappalli
Ramanathapuram	RAM	Ramanathapuram	1 November 1956	None	4,243.1	1,353,445	319	Paramakudi Ramanathapuram	Kadaladi Kamuthi Kilakarai Mudukulathur Paramakudi Rajasingamangalam Ramanathapuram Rameswaram Tiruvadanai	Mudukulathur Paramakudi Ramanathapuram Tiruvadanai	Ramanathapuram
Ranipet	RAN	Ranipet	28 November 2019	Vellore	2,234.3	1,210,277	542	Arakkonam Ranipet	Arakkonam Arkadu Kalavai Nemili Sholinghur Walajapet	Arakkonam Arcot Ranipet Sholingur	Arakkonam
Salem	SAL	Salem	1 November 1956	None	5,245	3,482,056	669	Attur Mettur Salem Sankagiri	Attur Idappadi Gangavalli Kadayampatti Mettur Omalur Pethanaickenpalayam Salem Salem South Salem West Sankagiri Thalaivasal Vazhapady Yercaud	Attur Edappadi Gangavalli Mettur Omalur Sankari Salem North Salem South Salem West Veerapandi Yercaud	Dharmapuri Kallakkurichi Namakkal Salem
Sivaganga	SIV	Sivaganga	15 March 1985	Ramanathapuram	4,086	1,339,101	328	Devakottai Sivaganga	Devakottai Ilayangudi Kalayarkoil Karaikudi Manamadurai Singampunari Sivaganga Tirupathur Tiruppuvanam	Karaikudi Manamadurai Sivaganga Tirupattur	Sivaganga
Tenkasi	TEN	Tenkasi	22 November 2019	Tirunelveli	2,916.1	1,407,627	483	Sankarankoil Tenkasi	Alangulam Kadayanallur Sankarankoil Shenkottai Sivagiri Tenkasi Thiruvengadam Veerakeralampudur	Alangulam Kadayanallur Sankarankovil Tenkasi Vasudevanallur	Tenkasi Tirunelveli
Thanjavur	THA	Thanjavur	1 November 1956	None	3,396.6	2,405,890	708	Kumbakonam Pattukkottai Thanjavur	Budalur Kumbakonam Orathanadu Papanasam Pattukkottai Peravurani Thanjavur Thiruvaiyaru Thiruvidaimarudur Thiruvonam	Kumbakonam Orathanadu Papanasam Pattukottai Peravurani Thanjavur Thiruvayaru Thiruvidaimarudur	Mayiladuthurai Thanjavur
Theni	THE	Theni	25 July 1996	Madurai	3,066	1,245,899	406	Periyakulam Uthamapalayam	Andipatti Bodniayakkanur Theni Periyakulam Uthamapalayam	Andipatti Bodinayakanur Cumbum Periyakulam	Theni
Thoothukudi	THO	Thoothukudi	20 October 1986	Tirunelveli	4,621	1,750,176	379	Kovilpatti Tiruchendur Thoothukudi	Eral Ettayapuram Kayatharu Kovilpatti Ottapidaram Sathankulam Thiruvaikundam Tiruchendur Thoothukudi Vilathikulam	Vilathikulam Thoothukudi Tiruchendur Srivaikuntam Ottapidaram Kovilpatti	Thoothukudi
Tiruchirappalli	TIC	Tiruchirappalli	1 November 1956	None	4,407	2,722,290	618	Lalgudi Manachanallur Musiri Srirangam Tiruchirappalli	Lalgudi Manachanallur Manapparai Marungapuri Musiri Srirangam Tiruchirappalli West Tiruchirappalli East Thiruverumbur Thottiyam Thuraiyur	Lalgudi Manachanallur Manapparai Musiri Srirangam Thiruverumbur Thuraiyur Tiruchirappalli East Tiruchirappalli West	Karur Perambalur Tiruchirappalli
Tirunelveli	TIN	Tirunelveli	1 November 1956	None	3842.4	1,665,253	433	Cheranmahadevi Tirunelveli	Ambasamudram Cheranmahadevi Manur Nanguneri Palayamkottai Radhapuram Tisayanvilai Tirunelveli	Ambasamudram Nanguneri Palayamkottai Radhapuram Tirunelveli	Tirunelveli
Tirupathur	TIA	Tirupattur	28 November 2019	Vellore	1,792.9	1,111,812	620	Tirupathur Vaniyambadi	Ambur Natrampalli Tirupathur Vaniyambadi	Ambur Jolarpet Tirupathur Vaniyambadi	Tiruvannamalai Vellore
Tiruppur	TIP	Tiruppur	22 February 2009	Coimbatore andErode	5,186.3	2,479,052	478	Dharapuram Tiruppur Udumalaipettai	Avinashi Dharapuram Kangeyam Madathukulam Palladam Tiruppur North Tiruppur South Udumalaipettai Uthukuli	Avinashi Dharapuram Kangeyam Madathukulam Palladam Tiruppur North Tiruppur South Udumalaipettai	Coimbatore Erode Nilgiris Pollachi Tiruppur
Tiruvallur	TAL	Tiruvallur	1 July 1997	Chingleput	3,444.2	3,728,104	1,082	Ponneri Tiruttani Tiruvallur	Avadi Gummidipoondi Pallipattu Ponneri Poonamallee R. K. Pettai Tiruttani Tiruvallur Uthukkottai	Avadi Gummidipoondi Ponneri Poonamallee Tiruttani Tiruvallur	Arakkonam Tiruvallur
Tiruvannamalai	TAN	Tiruvannamalai	30 September 1989	North Arcot	6,191	2,464,875	398	Aarani Cheyyar Tiruvannamalai	Aarani Chengam Chetpet Cheyyar Jamunamarathur Kalasapakkam Kilpennathur Polur Thandarampattu Tiruvannamalai Vandavasi Vembakkam	Arani Chengam Cheyyar Kalasapakkam Kilpennathur Polur Tiruvannamalai Vandavasi	Arani Tiruvannamalai
Tiruvarur	TAR	Thiruvarur	1 January 1997	Nagapattinam andThanjavur	2,161	1,264,277	585	Mannargudi Tiruvarur	Koothanallur Kudavasal Mannargudi Nannilam Needamangalam Thiruthiraipoondi Tiruvarur Valangaiman Muthupet	Mannargudi Nannilam Thiruthuraipoondi Thiruvarur	Nagapattinam Thanjavur
Vellore	VEL	Vellore	30 September 1989	North Arcot	2,222.1	1,614,242	726	Gudiyatham Vellore	Anaicut Gudiyatham Pernampattu Katpadi Kilvaithinankuppam Vellore	Anaikattu Gudiyatham Katpadi Kilvaithinankuppam Vellore	Arakkonam Vellore
Viluppuram	VIL	Viluppuram	30 September 1993	South Arcot	3,725.5	2,093,003	562	Tindivanam Villupuram	Gingee Kandachipuram Marakkanam Melmalaianur Tindivanam Vanur Vikravandi Villupuram Thiruvennainallur	Gingee Mailam Tindivanam Vanur Villupuram Vikravandi	Arani Villupuram
Virudhunagar	VIR	Virudhunagar	15 March 1985	Ramanathapuram	4,288.0	1,942,288	453	Aruppukkottai Sattur Sivakasi	Aruppukkottai Kariapatti Rajapalayam Sattur Sivakasi Srivilliputhur Tiruchuli Virudhunagar Watrap Vembakottai	Aruppukkottai Rajapalayam Sattur Sivakasi Srivilliputhur Tiruchuli Virudhunagar	Ramanathapuram Tenkasi Virudhunagar

Former districts

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District	Span	Successor districts
Chingleput	1956–98	Kanchipuram,Chengalpattu andTiruvallur
North Arcot	1956–89	Tiruvannamalai,Vellore,Ranipet andTirupattur
South Arcot	1956–93	Cuddalore,Villupuram andKallakurichi

References

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^Cash, Benjamin (2007)."Cholera Seasonality in Madras (1901–1940): Dual Role for Rainfall in Endemic and Epidemic Regions".Ecohealth.doi:10.1007/s10393-006-0079-8. Retrieved1 December 2023.
^^a ^b"History of Pudukottai".Government of Tamil Nadu.Archived from the original on 10 May 2019. Retrieved1 December 2023.
^"Constitution of India"(PDF).Ministry of Law and Justice,Government of India.Archived(PDF) from the original on 17 October 2023. Retrieved2 April 2023.
^Abstract of 1951 census(PDF).Government of India (Report).Archived(PDF) from the original on 28 December 2023. Retrieved1 December 2023.
^Andhra State Act, 1953(PDF).Madras Legislative Assembly. 14 September 1953. Retrieved1 December 2023.
^States Reorganisation Act, 1956(PDF).Parliament of India. 14 September 1953. Retrieved1 December 2023.
^1961 census(PDF).Government of India (Report).Archived(PDF) from the original on 27 January 2024. Retrieved1 December 2023.
^"Dharmapuri district".Government of Tamil Nadu. Retrieved1 December 2023.
^"Tracing the demand to rename Madras State as Tamil Nadu".The Hindu. 6 July 2023.Archived from the original on 28 December 2023. Retrieved1 December 2023.
^"About Erode district".Government of Tamil Nadu.Archived from the original on 10 April 2019. Retrieved1 December 2023.
^"Sivganga district".Government of Tamil Nadu.Archived from the original on 30 November 2023. Retrieved1 December 2023.
^"Virudhunagar district".Government of Tamil Nadu.Archived from the original on 11 December 2023. Retrieved1 December 2023.
^"About Dindigul district".Government of Tamil Nadu.Archived from the original on 29 December 2019. Retrieved1 December 2023.
^"About Thoothukudi district".Government of Tamil Nadu.Archived from the original on 2 May 2019. Retrieved1 December 2023.
^"About Tiruvannamalai district".Government of Tamil Nadu.Archived from the original on 24 April 2019. Retrieved1 December 2023.
^"About Vellore district".Government of Tamil Nadu.Archived from the original on 30 November 2023. Retrieved1 December 2023.
^"About Nagapattinam district".Government of Tamil Nadu.Archived from the original on 2 October 2023. Retrieved1 December 2023.
^"About Cuddalore district".Government of Tamil Nadu.Archived from the original on 25 March 2020. Retrieved1 December 2023.
^"About Villupuram district".Government of Tamil Nadu. Retrieved1 December 2023.^{[permanent dead link]}
^"About Karur district".Government of Tamil Nadu.Archived from the original on 3 December 2023. Retrieved1 December 2023.
^"About Perambalur district".Government of Tamil Nadu.Archived from the original on 6 December 2023. Retrieved1 December 2023.
^"About Theni district".Government of Tamil Nadu.Archived from the original on 27 April 2019. Retrieved1 December 2023.
^"About Tiruvarur district".Government of Tamil Nadu.Archived from the original on 7 May 2023. Retrieved28 April 2023.
^"About Namakkal district".Government of Tamil Nadu.Archived from the original on 26 February 2024. Retrieved1 December 2023.
^"About Tiruvallur district".Government of Tamil Nadu.Archived from the original on 9 December 2023. Retrieved1 December 2023.
^"About Krishnagiri district".Government of Tamil Nadu.Archived from the original on 7 May 2019. Retrieved1 December 2023.
^"About Ariyalur district".Government of Tamil Nadu.Archived from the original on 8 January 2023. Retrieved1 December 2023.
^"About Tiruppur district".Government of Tamil Nadu.Archived from the original on 26 September 2023. Retrieved1 December 2023.
^"Expansion of Chennai district".The Times of India. 5 January 2018. Retrieved1 December 2023.
^"About Tenkasi district".The Hindu. 22 November 2019.Archived from the original on 14 November 2019. Retrieved1 December 2023.
^"About Kallakuruchi district".The New Indian Express. 26 November 2019.Archived from the original on 14 January 2023. Retrieved1 December 2023.
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^"About Mayiladuthurai district".The Hindu. 24 March 2020.Archived from the original on 25 April 2020. Retrieved1 December 2023.
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v t e State ofTamil Nadu
Capital:Chennai
State symbols	Seal:Srivilliputhur Andal temple tower Animal:Nilgiri tahr Bird:Emerald dove Flower:Gloriosa lily Fruit:Jackfruit Tree:Palm tree Butterfly:Cirrochroa Thais
Governance	Governors Chief ministers Deputy chief ministers Legislative Assembly Political parties Raj Bhavan Chennai Ooty High Court Police
Topics	Cinema Cuisine Economy Government History Language Literature Music People Education Sports Politics Temples Protected areas Radio on Internet Highest point Wildlife Sexual minorities Tourism Kaveri River water dispute State Day
Major cities	Chennai Coimbatore Madurai Tiruchirappalli Tiruppur Salem
Districts	Ariyalur Chengalpattu Chennai Coimbatore Cuddalore Dharmapuri Dindigul Erode Kallakurichi Kanchipuram Kanyakumari Karur Krishnagiri Madurai Mayiladuthurai Nagapattinam Namakkal Nilgiris Perambalur Pudukkottai Ramanathapuram Ranipet Salem Sivaganga Tenkasi Thanjavur Theni Thoothukudi Tiruchirappalli Tirunelveli Tirupathur Tiruppur Tiruvallur Tiruvannamalai Tiruvarur Vellore Viluppuram Virudhunagar
Lists	Districts in Tamil Nadu by HDI Cities in Tamil Nadu by population Towns in Tamil Nadu by population Revenue divisions in Tamil Nadu
India portal

v t e Districts of states and unionterritories of India
States	Andhra Pradesh Arunachal Pradesh Assam Bihar Chhattisgarh Goa Gujarat Haryana Himachal Pradesh Jharkhand Karnataka Kerala Madhya Pradesh Maharashtra Manipur Meghalaya Mizoram Nagaland Odisha Punjab Rajasthan Sikkim Tamil Nadu Telangana Tripura Uttar Pradesh Uttarakhand West Bengal
Union territories	Andaman and Nicobar Islands Chandigarh Dadra and Nagar Haveli and Daman and Diu National Capital Territory of Delhi Jammu and Kashmir Ladakh Lakshadweep Puducherry
Related topics	List of administrative divisions of India List of states and territories of India List of autonomous administrative divisions of India List of divisions in India List of tehsils in India List of community development blocks in India Divisional commissioner District magistrate Sub-divisional magistrate Tehsildar District Councils of India