Located at the mouth of the Aura river in the southwestern corner of Finland, Turku covers an area of 245 square kilometers (95 sq mi) of land, spread over both banks of the river. The eastern side, where the Cathedral of Turku is located, is popularly referred to as täl pual jokke ("this side of the river"), while the western side is referred to as tois pual jokke ("the other side of the river"). The city centre is located close to the river mouth, on both sides of the river, though development has recently been expanding westward
