What are the five types of areas in Ganzi Prefecture?

Yajiang, Litang and Ganzi. According to Baidu map query, there are 18 counties in Ganzi Prefecture, which are divided into four types of districts according to different altitudes, namely, three types of districts, four types of districts, five types of districts and six types of districts, and the five types of districts include Yajiang, Litang and Ganzi. Ganzi Tibetan Autonomous Prefecture is an autonomous prefecture under the jurisdiction of Sichuan Province, which is located in the west of Sichuan Province and southeast of Kangzang Plateau, with a total area of153,000 square kilometers.