Peninsula in the far northwestern Russian Federation, between the Barents Sea and the White Sea. Administratively, it forms part of Murmansk oblast (region). Its total area is 129,500 sq km/50,000 sq mi, and it has a population of 1.3 million (of whom 2,000 are Saami). The port of Murmansk and the mining centre of Kirovsk are the chief cities. In the northeast are tundras; the southwest is forested. To the northwest the low-lying granite plateau adjoins Norway's thinly populated county of Finnmark. The peninsula has rich mineral deposits in the Khibiny mountains.
Near Murmansk is the ancient town of Kola, founded by Slavs from Novgorod in 1264. The discovery of a northern sea passage in the 16th century brought trade to the Kola Peninsula, formerly only occupied by fur trappers and reindeer herders. Mining of ore (apatite) deposits and nickel smelting in the 20th century brought industrial growth and pollution. The strategic importance of the peninsula led to the proliferation of military bases here during the Cold War.
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