Ust-Koksinsky District

Ust-Koksinsky District (Усть-Ко́ксинский райо́н; Кӧк-Суу Оозы аймак, Kök-Suu Oozı aymak) is an administrative and municipal district (raion), one of the ten in the Altai Republic, Russia. It is located in the west and southwest of the republic. The area of the district is 12960 km2. Its administrative center is the rural locality (a selo) of Ust-Koksa. As of the 2010 Census, the total population of the district was 17,020, with the population of Ust-Koksa accounting for 25.7% of that number.

History
The district was established on October 19, 1923 as Uymonsky District (Уймонский район) within Oirot Autonomous Oblast. It was given its present name on April 10, 1933.

Administrative and municipal status
Within the framework of administrative divisions, Ust-Koksinsky District is one of the ten in the Altai Republic. As a municipal division, the district is incorporated as Ust-Koksinsky Municipal District. Both administrative and municipal districts are divided into the same nine rural settlements, comprising forty-two rural localities. The selo of Ust-Koksa serves as the administrative center of both the administrative and municipal districts.

Nature reserves
The district is home to two nature reserves: Katunsky State Natural Biosphere Reserve and Belukha Nature Park.