"Kajaani (Swedish: Kajana) is a town and municipality in Finland. It is the center and capital of the Kainuu region. It is located southeast of Ouluj\u00E4rvi (Lake Oulu), which drains to the Gulf of Bothnia along the Oulujoki (river Oulu). As of 30 June 2015, it had a population of 37,643 inhabitants.The town began in the 17th century, fuelled by the growth of the tar industry. It succumbed to Russian forces during the Greater Wrath of the 18th century, who ruined the Kajaani Castle in 1716."@en . . . . . .