Kayah State is situated in eastern part of Myanmar and it is bounded on the north by Shan State, on the east by Thailand and on the south and west by Kayin State. Total land area of the state is about 4,529.61 square miles (11731.64 square kilometres). It shares 1.72% of the whole Myanmar area. At the widest east-west point of Kayah State is 65 miles (105 kilometres) across and 105 miles (169 kilometres) for north-south. Kayah State lies approximately between 18 degrees 30 minutes and 19 degrees 55 minutes north latitude and between 94 degrees 40 minutes and 97 degrees 93 minutes east longitude. Kayah State has a tropical monsoon climate with approximately 103 rainy days and rainfall of 47.16 inches was recorded in the year of 2016-2017. The state is blessed with a topographical mix of flat plains and mountainous areas; and Kayah State is between 985 and 6,000 feet above sea level. Ka Phu Mountain in Shadaw Township of Loikaw District is the highest peak at 6,000 feet while the lowest point of Kayah State is in Shadaw Township in Loikaw District. There are limited rivers and streams in the state and the Than Lwin River is the most prominent river flowing north to south. Balu Chaung, Pun Chaung and Htoo Chaung are also north-south flowing streams that feed into the Than Lwin River.
There is ample opportunity for hydroelectricity generation on those streams and river. The Lawpita Dam built on the Balu Chaung river produces a quarter of the total hydroelectric power for Myanmar