Thanh Hóa province

Thanh Hóa province
Clockwise from top left:
Motto: 
"Scents and colors of the four seasons"
(Hương sắc bốn mùa)
Location of Thanh Hóa within Vietnam
Interactive map of Thanh Hóa province
Coordinates: 20°0′N 105°30′E / 20.000°N 105.500°E / 20.000; 105.500
Country Vietnam
RegionNorth Central Coast
Capital (and Largest city)Thanh Hóa
Government
 • People's Council ChairLại Thế Nguyên
 • People's Committee ChairĐỗ Minh Tuấn
Area
 • Total
11,114.71 km2 (4,291.41 sq mi)
Population
 (2025)
 • Total
5,324,783
 • Density479.0753/km2 (1,240.799/sq mi)
Demographics
 • EthnicitiesVietnamese, Mường, Thai, Thổ, Dao, and H'Mông
GDP
 • TotalVND 146.242 trillion
US$ 6.351 billion
Time zoneUTC+7 (ICT)
Area codes237
ISO 3166 codeVN-21
HDI (2020) 0.726
(23th)
Websitethanhhoa.gov.vn

Thanh Hóa is the northernmost coastal province in the North Central Coast region of Vietnam. It borders Sơn La, Hòa Bình, and Ninh Bình to the north, Nghệ An to the south, Laos to the west with a boundary of over 192 kilometres (119 mi) long, and the South China Sea (Gulf of Tonkin) to the east.