Located at the highest latitude in Vietnam, Ha Giang is surrounded by Cao Bang on the east, Tuyen Quang on the south, Lao Cai, and Yen Bai on the west. It shares a border with China in the north (274km boundary).
Ha Giang's complicated topography is divided into 3 areas. The area on the south has rocky mountain, separated rivers. The west area has sloping mountain side, high pass, valleys, and narrow springs. The low land area includes hills, valley of Lo River, and Ha Giang Town.
The climate is divided in two distinct seasons, rainy and dry, although it tends to vary depending on altitude. The annual average temperature varies between 24 and 28ºC. In winter, the temperature is sometimes down to -5ºC.