Kolsky District is an administrative district (raion), one of the six in Murmansk Oblast, Russia. As a municipal division, it is incorporated as Kolsky Municipal District. It is located in the northwest of the oblast, partially lies on the Kola Peninsula, and borders with the Barents Sea in the north and Finland in the west. The area of the district is 27,600 square kilometers (10,700 sq mi). Its administrative center is the town of Kola. Population: 44,670 (2010 Russian census); 51,125 (2002 Census); 73,555 (1989 Soviet census). The population of Kola accounts for 23.4% of the district's total population.

Murmansk Oblast is a federal subject of Russia, located in the northwestern part of the country, with a total land area of 144,900 square kilometres (55,900 sq mi). Its only internal border is the Republic of Karelia to the south, as well is bordered internationally by Finland to the west and Norway to the northwest and the Barents Sea lies to the north and White Sea lies to the south and east. Its administrative center is the city of Murmansk. As of the 2010 Census, its population was 795,409, but at the 2021 Census this had declined to 667,744.