Ust-Maysky District

Ust-Maysky District (; ) is an administrative and municipal district (raion, or ulus), one of the thirty-four in the Sakha Republic, Russia. It is located in the east of the republic and borders with Oymyakonsky District in the northeast, Khabarovsk Krai in the east and south, Aldansky District in the southwest, Amginsky District in the west, Churapchinsky and Tattinsky Districts in the northwest, and with Tomponsky District in the north. The area of the district is . Its administrative center is the urban locality (a settlement) of Ust-Maya. Population: 11,568 (2002 Census); The population of Ust-Maya accounts for 33.9% of the district's total population.