From the Wikipedia page 
Olonetsky District (Russian: Оло́нецкий райо́н; Karelian: Anuksen piiri) is an administrative district (raion), one of the fifteen in the Republic of Karelia, Russia. It is located in the south of the republic. The area of the district is 3,988 square kilometers (1,540 sq mi). Its administrative center is the town of Olonets.
Within the framework of administrative divisions, Olonetsky District is one of the fifteen in the Republic of Karelia and has administrative jurisdiction over one town (Olonets) and sixty-four rural localities. As a municipal division, the district is incorporated as Olonetsky Municipal District.The town of Olonets and eight rural localities are incorporated into an urban settlement, while the remaining fifty-six rural localities are incorporated into eight rural settlements within the municipal district. The town of Olonets serves as the administrative center of both the administrative[ and municipal district.