Turku, in Sweish Åbo (pronounced [ˈturku] (help·info), ['o:bu] (help·info)) is the oldest and fifth largest city in Finland, with a population of 175 286 (31.12.2007). Located (60.27° N 22.16° ECoordinates: 60.27° N 22.16° E) at the mouth of the Aura river in the south west of the country, it is the capital city of both the region of Finland Proper and the province of Western Finland, as well as being the centre of the country's third largest urban area, with around 300,000 inhabitants. Turku has one of the largest Finland-Swedish populations in the country. Due to its location, the Port of Turku is one of the busiest seaports in Finland with around 3.7 million passengers per year.