Area: 11,116.3 sq.km.
Population: 3,646,600 habitants (2019).
Capital: Thanh Hoa City.
Administrative divisions:
- Towns: Sam Son, Bim Son.
- Districts: Muong Lat, Quan Hoa, Quan Son, Ba Thuoc, Cam Thuy, Lang Chanh, Thach Thanh, Ngoc Lac, Thuong Xuan, Nhu Xuan, Nhu Thanh, Vinh Loc, Ha Trung, Nga Son, Yen Dinh, Tho Xuan, Hau Loc, Thieu Hoa, Hoang Hoa, Dong Son, Trieu Son, Quang Xuong, Nong Cong, Tinh Gia.
Ethnic groups: Viet (Kinh), Muong, Thai, H'Mong, Tho... 

Among of five provinces in North-Central Vietnam, Thanh Hoa Province is surrounded by Son La, Hoa Binh, Ninh Binh provinces on the north, Nghe An Province on the south, East Sea on the east with 102km coastline, and Laos on the west.

Transportation
Thanh Hoa is 150km from Hanoi, 60km from Ninh Binh, and 139km from Vinh (Nghe An). National Highway No.1A and North-South Express Train run through province. There are National Highway No.15 linking to Nghe An and National Highway No.217 connecting to Laos via Na Meo Bordergate.