From the Wikipedia page 
Ulyotovsky District (Russian: Улётовский райо́н) is an administrative district (raion), one of the thirty-one in Zabaykalsky Krai, Russia. It is located in the southwest of the krai, and borders with Khiloksky District in the north, Duldurginsky District in the east, Kyrinsky District in the south, and with Krasnochikoysky District in the west. The area of the district is 16,000 square kilometers (6,200 sq mi). Its administrative center is the rural locality (a selo) of Ulyoty.
Within the framework of administrative divisions, Ulyotovsky District is one of the thirty-one in the krai. The selo of Ulyoty serves as its administrative center.
As a municipal division, the territory of the district is split between two municipal formations—Ulyotovsky Municipal District, to which one urban-type settlement and twenty-two of the administrative district's rural localities belong, and Gorny Urban Okrug, which covers the rest of the administrative district's territory, including the urban-type settlement of Gorny.