What is "serge-bes"

Serge-Bes is a rural locality (a selo), one of two settlements, in addition to Sulgachchy, in Sulgachchinsky Rural Okrug of Aldansky District in the Sakha Republic, Russia. It is located from Amga, the administrative center of the district and from Sulgachchy. Its population as of the 2010 Census was 265; up from 252 recorded in the 2002 Census.