Leh (Tibetan script: གླེ་;Wylie: Gle), Hindi: लेह was the capital of the Himalayan kingdom of Ladakh, now the Leh District in the state of Jammu and Kashmir, India. The town is still dominated by the now ruined Leh Palace, former home of the royal family of Ladakh, built in the same style and time as the Potala Palace. Leh is at an altitude of 3,500 meters (11,483ft).

According to the 2001 Census, 77.3 % of Leh District's population is Buddhist, 13.8 % Muslim, 8.2% Hindu and 0.8% others. The Muslim presence dates back to the annexation of Ladakh by Kashmir, after the Fifth Dalai Lama attempted to invade Ladakh from Tibet. Since then, there has been further migration from the Kashmir Valley due firstly to trade and latterly with the transfer of tourism from the Kashmir Valley to Ladakh.

As of 2001 India census , Leh town had a population of 27,513. Males constitute 61% of the population and females 39%, due to a large presence of non-local labourers, traders and government employees. Leh has an average literacy rate of 75%, higher than the national average of 59.5%: male literacy is 82%, and female literacy is 65%. In Leh, 9% of the population is under 6 years of age.

The total population of Leh district is 1.17 lacs.