From the Wikipedia page 
Troitsko-Pechorsky District (Russian: Тро́ицко-Печо́рский райо́н; Komi: Мылдiн район [ˈmɨldin ˈrajon]) is an administrative district (raion), one of the twelve in the Komi Republic, Russia. It is located in the southeast of the republic. The area of the district is 40,700 square kilometers (15,700 sq mi). Its administrative center is the urban locality (an urban-type settlement) of Troitsko-Pechorsk.
Within the framework of administrative divisions, Troitsko-Pechorsky District is one of the twelve in the Komi Republic. It is divided into one urban-type settlement administrative territory (Troitsko-Pechorsk), three selo administrative territories, and seven settlement administrative territories, all of which comprise thirty-one rural localities. As a municipal division, the district is incorporated as Troitsko-Pechorsky Municipal District. Troitsko-Pechorsk Urban-Type Settlement Administrative Territory is incorporated into an urban settlement, and the ten remaining administrative territories are incorporated into ten rural settlements within the municipal district. The urban-type settlement of Troitsko-Pechorsk serves as the administrative center of both the administrative and municipal district.