flat) is a rural locality (a selo), the only inhabited locality, and the administrative center of Khaptagaysky Rural Okrug of Megino-Kangalassky District in the Sakha Republic, Russia, located 36 kilometers from Mayya, the administrative center of the district, Registry of the Administrative-Territorial Divisions of the Sakha Republic'' at the confluence of the Myla and Lena Rivers, on the Amur–Yakutsk Mainline.