Indawgyi Lake is one of the largest inland lakes in Southeast Asia. It is located in Mohnyin Township in the Kachin State of Myanmar. The lake measures 13 kilometres (8.1 mi) east to west, and 24 kilometres (15 mi) north to south. There are over 20 villages around the lake. The predominant ethnic groups living in the surroundings of the lake are the Shan and the Kachin, who mainly practise agriculture. The lake is 546 feet (166 m) above sea level and is the main feature of the Indawgyi Lake Wildlife Sanctuary.

Kachin State is the northernmost state of Myanmar. It is bordered by China to the north and east, Shan State to the south, and Sagaing Region and India to the west. It lies between north latitude 23° 27' and 28° 25' longitude 96° 0' and 98° 44'. The area of Kachin State is 89,041 km2 (34,379 sq mi). The capital of the state is Myitkyina. Other important towns include Bhamo, Mohnyin and Putao.