Newport (Welsh: Casnewydd; [kasˈnɛwɨð]) is a city and unitary authority area in south east Wales, on the River Usk close to its confluence with the Severn Estuary, 12 miles (19 km) northeast of Cardiff. At the 2011 census, it was the third largest city in Wales, with a population of 145,700. The city forms part of the Cardiff-Newport metropolitan area, with a population of 1,097,000.