Birsky District is an administrative and municipal district (raion), one of the fifty-four in the Republic of Bashkortostan, Russia. It is located in the north of the republic and borders with Burayevsky District in the north, Mishkinsky District in the northeast and east, Blagoveshchensky District in the southeast, Kushnarenkovsky District in the south, and with Dyurtyulinsky District in the west. The area of the district is 1,786.49 square kilometers (689.77 sq mi). Its administrative center is the town of Birsk. As of the 2010 Census, the total population of the district was 17,924.

Blagoveshchensky District is an administrative and municipal district (raion), one of the fifty-four in the Republic of Bashkortostan, Russia. It is located in the northern central part of the republic and borders with Karaidelsky District in the north, Nurimanovsky District in the east, Ufimsky District in the south, Kushnarenkovsky District in the southwest, Birsky District in the west, and with Mishkinsky District in the northwest. The area of the district is 2,250 square kilometers (870 sq mi). Its administrative center is the town of Blagoveshchensk. As of the 2010 Census, the total population of the district was 15,497.