, the capital city of Wales is officially known as the City and County of Cardiff
. It is the United Kingdom's eleventh-largest city, the main commercial centre of Wales, the base for the Senedd, most national cultural institutions and most of the Welsh media. At the 2011 census, the unitary authority area population was put at 346,090, and the wider urban area at 479,000. In 2011 it ranked sixth in the world in a National Geographic magazine
list of alternative tourist destinations. It is the most popular destination in Wales with 21.3 million visitors in 2017.