Srednekolymsky District

Srednekolymsky District (Среднеколы́мский улу́с; Орто Халыма улууһа, Orto Xalıma uluuha, ) is an administrative and municipal district (raion, or ulus), one of the thirty-four in the Sakha Republic, Russia. It is located in the north of the republic and borders with Verkhnekolymsky District in the south, Abyysky District in the west, Allaikhovsky District in the northwest, Nizhnekolymsky District in the north, Bilibinsky District of Chukotka Autonomous Okrug in the east, and with Srednekansky District of Magadan Oblast in the southeast. The area of the district is 125200 km2. Its administrative center is the town of Srednekolymsk. Population: 8,353 (2002 Census);  The population of Srednekolymsk accounts for 44.6% of the district's total population.

Geography
The landscape of the district is mostly flat. The main rivers in the district include the Kolyma, the Alazeya and the Rossokha with the Arga-Yuryakh. There are many lakes, the largest of which are Lakes Pavylon and Balyma. Mount Chubukulakh is located in the district.

Climate
Average January temperature is -38 C and average July temperature is +12 C. Annual precipitation ranges from 150 - 200 mm in the north to 250 - 300 mm in the east.

History
The district was established on May 25, 1930.

Demographics
As of the 2021 Census, the ethnic composition was as follows:
 * Yakuts: 79.9%
 * Russians: 9.8%
 * Evens: 7.8%
 * Yukaghirs: 1.0%
 * others: 1.5%

Economy
The economy of the district is mostly based on grazing-based animal husbandry, including reindeer, horse and cattle industries. There are deposits of construction materials.

Inhabited localities
Divisional source:

Population source: *Administrative centers are shown in bold