Leh is a city in Indian-administered Ladakh in the disputed Kashmir region. It is the largest city and the joint capital of Ladakh. Leh, located in the Leh district, was also the historical capital of the Kingdom of Ladakh. The seat of the kingdom, Leh Palace, the former residence of the royal family of Ladakh, was built in the same style and about the same time as the Potala Palace in Tibet. Since they were both constructed in a similar style and at roughly the same time, the Potala Palace in Tibet and Leh Palace, the royal residence, are frequently contrasted. Leh is at an altitude of 3,524 m (11,562 ft), and is connected via National Highway 1 to Srinagar in the southwest and to Manali in the south via the Leh-Manali Highway.

Ladakh is a region administered by India as a union territory and constitutes an eastern portion of the larger Kashmir region that has been the subject of a dispute between India and Pakistan since 1947 and India and China since 1959. Ladakh is bordered by the Tibet Autonomous Region to the east, the Indian state of Himachal Pradesh to the south, both the Indian-administered union territory of Jammu and Kashmir and the Pakistan-administered Gilgit-Baltistan to the west, and the southwest corner of Xinjiang across the Karakoram Pass in the far north. It extends from the Siachen Glacier in the Karakoram range to the north to the main Great Himalayas to the south. The eastern end, consisting of the uninhabited Aksai Chin plains, is claimed by the Indian Government as part of Ladakh, but has been under Chinese control.