Nizhny Bestyakh is an urban locality in Megino-Kangalassky District of the Sakha Republic, Russia, located on the east bank of the Lena River, opposite the republic's capital city of Yakutsk, 34 kilometers (21 mi) from Mayya, the administrative center of the district. As of the 2010 Census, its population was 3,518.

Megino-Kangalassky District is an administrative and municipal district, one of the thirty-four in the Sakha Republic, Russia. It is located in the central part of the republic, on the Lena River opposite Yakutsk, the capital of the republic. The area of the district is 11,700 square kilometers (4,500 sq mi). Its administrative center is the rural locality of Mayya. As of the 2010 Census, the total population of the district was 31,278, with the population of Mayya accounting for 23,.3% of that number.