Omoloy basin

The Omoloy ( ) is a river in Siberia, flowing into the Laptev Sea east of the river Lena. It is long, and has a drainage basin of . Administratively the basin of the Omoloy is part of the Sakha (Yakutia) administrative region of Russia.

Khayyr (; , Xayır) is a rural locality (a selo), the only inhabited locality, and the administrative center of Omoloysky National Rural Okrug of Ust-Yansky District in the Sakha Republic, Russia, located from Deputatsky, the administrative center of the district. Its population as of the 2010 Census was 433, of whom 223 were male and 210 female, down from 441 recorded during the 2002 Census.

Namy (; ) is a rural locality (a selo), the only inhabited locality, and the administrative center of Borogonsky Rural Okrug of Bulunsky District in the Sakha Republic, Russia, located from Tiksi, the administrative center of the district. Its population as of the 2010 Census was 526, up from 488 recorded during the 2002 Census. Philologist Zoya Basharina is a native of the okrug.