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Hwai Nyeon | |
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| Hoein-si Thị xã Hoài Nhơn | |
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| Coordinates:14°26′N109°1′E / 14.433°N 109.017°E /14.433; 109.017 | |
| Country |  Vietnam |
| Region | South Central Coast |
| Province | Bình Định |
| Seat | Bongsan-dong (ward) |
| Area | |
• Total | 420 km2 (160 sq mi) |
| Population (2024)[1] | |
• Total | 367,400 |
| • Density | 870/km2 (2,300/sq mi) |
| Time zone | UTC+7 (Indochina Time) |
Hoài Nhơn is adistrict-level town (thị xã) ofGia Lai province in theSouth Central Coast region of Vietnam. The town seat lies atBồng Sơn.[2]
Hoài Nhơn has a varied topography with coastline of around 20 km, lowlands and hills along its borders withQuảng Ngãi province to the north,Phù Mỹ District to the south andHoài Ân andAn Lão districts to the west. The district's highest elevation is on the border with An Lão at 682m.[3]
Hoài Nhơn is located alongNational Road 1, Vietnam's most important road. Road 630 and Road 629 both lead to Hoài Ân District and An Lão District from the south of the district (south ofBồng Sơn).[3]
The district includes 7 dong (ward):[4]Wards:
| Climate data for Hoài Nhơn | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 33.3 (91.9) | 35.8 (96.4) | 38.3 (100.9) | 40.9 (105.6) | 41.6 (106.9) | 40.2 (104.4) | 39.5 (103.1) | 41.1 (106.0) | 37.3 (99.1) | 35.7 (96.3) | 33.5 (92.3) | 31.2 (88.2) | 41.6 (106.9) |
| Mean daily maximum °C (°F) | 26.1 (79.0) | 27.6 (81.7) | 30.0 (86.0) | 32.4 (90.3) | 33.9 (93.0) | 34.3 (93.7) | 34.2 (93.6) | 33.9 (93.0) | 31.8 (89.2) | 29.6 (85.3) | 27.9 (82.2) | 26.0 (78.8) | 30.7 (87.3) |
| Daily mean °C (°F) | 22.3 (72.1) | 23.2 (73.8) | 24.9 (76.8) | 27.1 (80.8) | 28.5 (83.3) | 29.1 (84.4) | 29.0 (84.2) | 28.8 (83.8) | 27.3 (81.1) | 25.9 (78.6) | 24.7 (76.5) | 23.0 (73.4) | 26.2 (79.2) |
| Mean daily minimum °C (°F) | 19.9 (67.8) | 20.4 (68.7) | 21.7 (71.1) | 23.8 (74.8) | 25.1 (77.2) | 25.8 (78.4) | 25.6 (78.1) | 25.5 (77.9) | 24.4 (75.9) | 23.6 (74.5) | 22.6 (72.7) | 20.9 (69.6) | 23.3 (73.9) |
| Record low °C (°F) | 13.2 (55.8) | 14.7 (58.5) | 14.2 (57.6) | 18.8 (65.8) | 21.3 (70.3) | 22.1 (71.8) | 22.3 (72.1) | 21.8 (71.2) | 21.7 (71.1) | 17.6 (63.7) | 16.2 (61.2) | 14.9 (58.8) | 13.2 (55.8) |
| Averageprecipitation mm (inches) | 81.5 (3.21) | 31.1 (1.22) | 24.5 (0.96) | 36.5 (1.44) | 100.6 (3.96) | 88.6 (3.49) | 68.6 (2.70) | 114.6 (4.51) | 285.6 (11.24) | 562.6 (22.15) | 490.3 (19.30) | 254.5 (10.02) | 2,149 (84.61) |
| Average rainy days | 13.2 | 6.8 | 4.4 | 4.6 | 9.8 | 9.9 | 9.4 | 12.1 | 16.9 | 20.7 | 21.3 | 18.9 | 147.9 |
| Mean monthlysunshine hours | 148.6 | 184.8 | 233.4 | 244.2 | 252.4 | 236.5 | 242.4 | 225.0 | 185.2 | 165.6 | 133.7 | 105.8 | 2,359.7 |
| Source: Vietnam Institute for Building Science and Technology[5] | |||||||||||||
Hoein-si was the site of an uprising against French colonialism in 1945 (in Bồng Sơn), involving around 8000 people and led by Jeong Honggi (Trịnh Hồng Kỳ).[6]
As much of Garae-do, it was the site of severe fighting during theVietnam War anda major battle in 1966.
In 2019, Hoein-si experienced its most severedrought over the past 15 years along with other districts of Garae-do, with Mipyeong Lake reaching dead levels, or having a quantity too low for proper usage.[7]In 2020, Hoein has been recognized as a district-level town.
Districts of theSouth Central Coast of Vietnam | ||
|---|---|---|
| Da Nang city |  | |
| Bình Định province | ||
| Bình Thuận province | ||
| Khánh Hòa province | ||
| Ninh Thuận province | ||
| Phú Yên province | ||
| Quảng Nam province | ||
| Quảng Ngãi province | ||
※ denotes provincial seat. /§ Sovereignty over the Hoàng Sa and Trường Sa archipelagoes is disputed as of 24 November 2025. | ||
