The province borders Guangxi and Guizhou in the east, Sichuan in the north, and the Tibet Autonomous Region in the northwest. It shares a border of 4,060 kilometres (2,520 mi) with Myanmar (Kachin and Shan States) in the west, Laos (Luang Namtha, Oudomxay, and Phongsaly Provinces) in the south and Vietnam (Hà Giang, Lào Cai, Lai Châu, and Điện Biên Provinces) in the southeast. For practical purposes, all of Yunnan province falls within the Zomia region of Asia.