Churapchinsky District is an administrative and municipal district, one of the thirty-four in the Sakha Republic, Russia. It is located in the center of the republic and borders Tattinsky District in the north, Ust-Maysky District in the east and southeast, Amginsky District in the south, Megino-Kangalassky District in the west, and Ust-Aldansky District in the northwest. The area of the district is 12,600 square kilometers (4,900 sq mi). Its administrative center is the rural locality of Churapcha. As of the 2010 Census, the total population of the district was 20,387, with the population of Churapcha accounting for 43.0% of that number.

Tattinsky District is an administrative and municipal district, one of the thirty-four in the Sakha Republic, Russia. It is located in the eastern central part of the republic and borders with Tomponsky District in the north and east, Ust-Maysky District in the south, Churapchinsky District in the southwest, and with Ust-Aldansky District in the northwest. The area of the district is 19,000 square kilometers (7,300 sq mi). Its administrative center is the rural locality of Ytyk-Kyuyol. Population: 17,242 (2010 Russian census); 16,601 ; 15,933 (1989 Soviet census). The population of Ytyk-Kyuyol accounts for 39.6% of the district's total population.