Located in Eastern of the South, Tay Ninh shares border with Cambodia on the north with 240km boundary, Binh Duong and Binh Phuoc provinces on the east, Ho Chi Minh City and Long An Province on the south. On the north, there is Ba Den Mountain, 986m in height. On the south, terrain is quite flat. The province has Vam Co Dong and Sai Gon rivers and Dau Tieng Lake.