Petrovsk-Zabaykalsky District () is an administrative district (raion), one of the thirty-one in Zabaykalsky Krai, Russia.Registry of the Administrative-Territorial Units and the Inhabited Localities It is located in the southwest of the krai, and borders Khiloksky District in the east, Krasnochikoysky District in the south, and Bichursky District, Kizhinginsky District, Mukhorshibirsky District, Zaigrayevsky District of the Republic of Buryatia in the west and north. The area of the district is . Its administrative center is the town of Petrovsk-Zabaykalsky. As of the 2010 Census, the total population of the district was 37,900, with the population of the administrative center accounting for 48.9% of that number.
History The district was established on January 4, 1926.
Administrative and municipal status Within the framework of administrative divisions, Petrovsk-Zabaykalsky District is one of the thirty-one in the krai. The town of Petrovsk-Zabaykalsky serves as its administrative center.
As a municipal division, the territory of the district is split between two municipal formations—Petrovsk-Zabaykalsky Municipal District,Law #316-ZZK to which three urban-type settlements and twenty-two of the administrative district's rural localities belong,The Registry of the Administrative-Territorial Units and the Inhabited Localities lists one town, three urban-type settlements, and twenty-two rural localities in Petrovsk-Zabaykalsky District. Three urban-type settlements and twenty-two rural localities are listed as a part of Petrovsk-Zabaykalsky Municipal District in Law #317-ZZK. and Petrovsk-Zabaykalsky Urban Okrug, which covers the rest of the administrative district's territory, including the town of Petrovsk-Zabaykalsky.The Registry of the Administrative-Territorial Units and the Inhabited Localities lists one town, three urban-type settlements, and twenty-two rural localities in Petrovsk-Zabaykalsky District. The town of Petrovsk-Zabaykalsky is listed as a part of Petrovsk-Zabaykalsky Urban Okrug in Law #316-ZZK.
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