| Code | Name | Corresponding second-level NUTS | Map |
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| AT | Austria |
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| AT1 | East Austria | Burgenland,Lower Austria,Vienna |  |
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| AT2 | South Austria | Carinthia,Styria |
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| AT3 | West Austria | Upper Austria,Salzburg,Tyrol,Vorarlberg |
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| BE | Belgium |
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| BE1 | Brussels Capital Region | Brussels Capital Region |  |
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| BE2 | Flemish Region | Antwerp,Limburg,East Flanders,Flemish Brabant,West Flanders |
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| BE3 | Walloon Region | Walloon Brabant,Hainaut,Liège,Luxembourg,Namur |
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| BG | Bulgaria |
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| BG3 | Northern and Eastern Bulgaria | Severozapaden,Severen tsentralen,Severoiztochen,Yugoiztochen |  |
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| BG4 | South-Western and South-Central Bulgaria | Yugozapaden,Yuzhen tsentralen |
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| CY | Cyprus |
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| CY0 | Cyprus | Cyprus |  |
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| CZ | Czech Republic |
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| CZ0 | Czech Republic | Prague,Central Bohemia,Southwest,Northwest,Northeast,Southeast,Central Moravia,Moravia-Silesia |  |
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| DE | Germany |
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| DE1 | Baden-Württemberg | Stuttgart,Karlsruhe,Freiburg,Tübingen |  |
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| DE2 | Bavaria | Upper Bavaria,Lower Bavaria,Upper Palatinate,Upper Franconia,Middle Franconia,Lower Franconia,Swabia |
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| DE3 | Berlin | Berlin |
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| DE4 | Brandenburg | Brandenburg-Northeast,Brandenburg-Southwest |
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| DE5 | Free Hanseatic City of Bremen | Free Hanseatic City of Bremen |
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| DE6 | Hamburg | Hamburg |
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| DE7 | Hessen | Darmstadt,Gießen,Kassel |
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| DE8 | Mecklenburg-Vorpommern | Mecklenburg-Vorpommern |
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| DE9 | Lower Saxony | Braunschweig,Hanover,Lüneburg,Weser-Ems |
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| DEA | North Rhine-Westphalia | Düsseldorf,Cologne,Münster,Detmold,Arnsberg |
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| DEB | Rhineland-Palatinate | Koblenz,Trier,Rheinhessen-Pfalz |
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| DEC | Saarland | Saarland |
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| DED | Saxony | Chemnitz,Dresden,Leipzig |
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| DEE | Saxony-Anhalt | Saxony-Anhalt |
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| DEF | Schleswig-Holstein | Schleswig-Holstein |
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| DEG | Thuringia | Thuringia |
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| DK | Denmark |
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| DK0 | Denmark | Hovedstaden,Zealand,Region of Southern Denmark,Central Jutland,North Jutland |  |
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| EE | Estonia |
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| EE0 | Estonia | Estonia |  |
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| EL | Greece |
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| EL3 | Attica | Attica |  |
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| EL4 | Nisia Aigaiou, Kriti | North Aegean,South Aegean,Crete |
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| EL5 | Voreia Ellada | Eastern Macedonia and Thrace,Central Macedonia,Western Macedonia,Epirus |
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| EL6 | Kentriki Ellada | Thessaly,Ionian Islands,Western Greece,Central Greece,Peloponnese |
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| ES | Spain |
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| ES1 | North West | Galicia,Asturias,Cantabria |  |
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| ES2 | North East | Basque Community,Navarre,La Rioja,Aragon |
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| ES3 | Community of Madrid | Community of Madrid |
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| ES4 | Centre | Castile and León,Castile-La Mancha,Extremadura |
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| ES5 | East | Catalonia,Valencian Community,Balearic Islands |
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| ES6 | South | Andalusia,Region of Murcia,Ceuta,Melilla |
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| ES7 | Canary Islands | Canary Islands |
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| FI | Finland |
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| FI1 | Mainland Finland | East Finland,South Finland,West Finland,North Finland |  |
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| FI2 | Åland | Åland |
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| FR | France |
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| FR1 | Île-de-France | Île-de-France |  |
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| FRB | Centre-Val de Loire | Centre-Val de Loire |
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| FRC | Bourgogne-Franche-Comté | Bourgogne,Franche-Comté |
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| FRD | Normandy | Lower Normandy,Upper Normandy |
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| FRE | Hauts-de-France | Nord-Pas-de-Calais,Picardy |
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| FRF | Grand-Est | Alsace,Champagne-Ardenne,Lorraine |
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| FRG | Pays de la Loire | Pays de la Loire |
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| FRH | Brittany | Brittany |
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| FRI | Nouvelle-Aquitaine | Aquitaine,Limousin,Poitou-Charentes |
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| FRJ | Occitanie | Languedoc-Roussillon,Midi-Pyrénées |
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| FRK | Auvergne-Rhône-Alpes | Auvergne,Rhône-Alpes |
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| FRL | Provence-Alpes-Côte d’Azur | Provence-Alpes-Côte d’Azur |
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| FRM | Corsica | Corsica |
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| FRY | Départements d'Outre Mer | French Guiana,Guadeloupe (includingSaint Martin),Martinique,Mayotte,La Réunion |
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| HR | Croatia |
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| HR0 | Croatia | Pannonian Croatia,Adriatic Croatia,City of Zagreb,Northern Croatia |  |
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| HU | Hungary |
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| HU1 | Central Hungary | Central Hungary |  |
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| HU2 | Transdanubia | Central Transdanubia,Western Transdanubia,Southern Transdanubia |
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| HU3 | Great Plain and North | Northern Hungary,Northern Great Plain,Southern Great Plain |
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| IE | Ireland |
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| IE0 | Ireland | Eastern and Midland Region,Northern and Western Region andSouthern Region |  |
|---|
| IT | Italy |
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| ITC | North West | Aosta Valley,Liguria,Lombardy,Piedmont |  |
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| ITH | North East | Emilia-Romagna,Friuli-Venezia Giulia,Trentino-Alto Adige/Südtirol,Veneto |
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| ITI | Centre | Lazio,Marche,Tuscany,Umbria |
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| ITF | South | Abruzzo,Apulia,Basilicata,Calabria,Campania,Molise |
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| ITG | Islands | Sardinia,Sicily |
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| LT | Lithuania |
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| LT0 | Lithuania | Capital Region,Central and Western Lithuania Region |  |
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| LU | Luxembourg |
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| LU0 | Luxembourg | Luxembourg |  |
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| LV | Latvia |
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| LV0 | Latvia | Latvia |  |
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| MT | Malta |
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| MT0 | Malta | Malta |  |
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| NL | Netherlands |
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| NL1 | North Netherlands | Groningen,Friesland,Drenthe |  |
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| NL2 | East Netherlands | Overijssel,Gelderland,Flevoland |
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| NL3 | West Netherlands | Utrecht,North Holland,South Holland,Zeeland |
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| NL4 | South Netherlands | North Brabant,Limburg |
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| PL | Poland |
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| PL2 | South Macroregion | Lesser Poland,Silesian |  |
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| PL4 | North-west Macroregion | Greater Poland,Lubusz,West Pomeranian |
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| PL5 | South-west Macroregion | Lower Silesian,Opole |
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| PL6 | North Macroregion | Kuyavian-Pomeranian,Pomeranian,Warmian-Masurian |
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| PL7 | Central Macroregion | Holy Cross,Łódź |
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| PL8 | East Macroregion | Lublin,Podlaskie,Subcarpathian |
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| PL9 | Masovian Macroregion | Masovian Regional,Warsaw Capital |
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| PT | Portugal |
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| PT1 | Continental Portugal | Norte,Algarve,Centro,Lisbon,Alentejo |  |
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| PT2 | Azores | Azores |
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| PT3 | Madeira | Madeira |
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| RO | Romania |
|---|
| RO1 | Macroregion One | Nord-Vest,Centru |  |
|---|
| RO2 | Macroregion Two | Nord-Est,Sud-Est |
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| RO3 | Macroregion Three | Sud – Muntenia,București – Ilfov |
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| RO4 | Macroregion Four | Sud-Vest Oltenia,Vest |
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| SE | Sweden |
|---|
| SE1 | East Sweden | Stockholm County,East Middle Sweden |  |
|---|
| SE2 | South Sweden | Småland and the islands,South Sweden,West Sweden |
|---|
| SE3 | North Sweden | North Middle Sweden,Middle Norrland,Upper Norrland |
|---|
| SI | Slovenia |
|---|
| SI0 | Slovenia | Eastern Slovenia,Western Slovenia |  |
|---|
| SK | Slovakia |
|---|
| SK0 | Slovakia | Bratislava Region,Western Slovakia,Central Slovakia,Eastern Slovakia |  |
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