Cardiff (/ˈkɑːrdɪf/ ( listen); Welsh: Caerdydd [kairˈdiːð, kaˑɨrˈdɨːð]) is the capital and largest city in Wales and the eleventh-largest city in the United Kingdom. The city is the country's chief commercial centre, the base for most national cultural and sporting institutions, the Welsh national media, and the seat of the National Assembly for Wales. The unitary authority area's 2016 population was estimated to be 447,287, while the population of the Larger Urban Zone was estimated at 861,993 in 2016. The Cardiff metropolitan area makes up over a third of the total population of Wales, with a 2016 population estimate of about 1,100,000 people. Cardiff is a significant tourist centre and the most popular visitor destination in Wales with 18.3 million visitors in 2010. In 2011, Cardiff was ranked sixth in the world in National Geographic's alternative tourist destinations.