What is "kyul"

Kyul is a rural locality (a selo), the only inhabited locality, and the administrative center of Kharbalakhsky Rural Okrug of Verkhnevilyuysky District in the Sakha Republic, Russia, located from Verkhnevilyuysk, the administrative center of the district. Its population as of the 2010 Census was 548, of whom 272 were male and 276 female, up from 505 as recorded during the 2002 Census.