Area: 678, 6 sq. km
- Population: 38, 200 habitants
- Administrative division:
-Townlet: Sapa
-Communes: Ban Khoang, Ta Giang Phinh, Trung Chai, Ta Phin, Sa Pa, San Sa Ho, Ban Phung, Lao Chai, Hau Thao, Thanh Kim, Ta Van, Su Pan, Suoi Thau, Ban Ho, Thanh Phu, Nam Sai, Nam Cang.