Ulug-Khemsky District (Russian: Улу́г-Хе́мский кожуун; Tuvan: Улуг-Хем кожуун, romanized: Ulug-Xem kojûn) is an administrative[1] and municipal[3] district (raion, or kozhuun), one of the seventeen in the Tuva Republic, Russia.
[2] The area of the district is 5,335.40 square kilometers (2,060.01 sq mi).
[4] Ulug-Khemsky Kozhuun was established within the Tuvan People's Republic on September 8, 1923.
[2] It became Ulug-Khemsky District on October 13, 1944, when the Tuvan People's Republic became a part of the Soviet Union.
[2] On February 25, 1975, Bayan-Kolsky Selsoviet was transferred back to Kyzylsky District, and Chaa-Kholsky District was split back out on December 20, 1991.