Zayu is located in the southeast part of the Tibet Plateau and at the juncture of the Himalaya Mountain and Hengduan Mountain. Zayu has an area of 16,000 square kilometers and is less than 2,500 meters above sea level at average.

With unique natural conditions, the county has a warm climate year round and has a beautiful landscape. The wildlife includes otter, stone marten, leopard and lesser panda.