Cardiff is Wales' capital and its biggest city. It is the 11th largest city in the UK. It is the chief commercial centre in Wales, the basis of most national cultural institutions and Welsh media and the home of the Wales National Assembly. The population of the unitary authority area was measured at 346,090 and 479,000 of the broader urban area. Cardiff was ranked sixth in the world in the alternative tourist destinations of National Geographic.
As Wales ' capital city, Cardiff is the Welsh economy's main engine of growth. While Cardiff's population is about 10% of the Welsh population, Cardiff's economy accounts for almost 20% of Welsh GDP and 40% of the city's workers are regular in-commuters from the wider southern Wales region. Cardiff is one of Britain's most popular tourist destinations. With BBC Wales, S4C and ITV Wales all having studios in the area, Cardiff is home to the Welsh media and a large media market.