Cardiff (Welsh: Caerdydd) is the capital and largest city in Wales; a constituent country of the United Kingdom. It is a major UK city and centre for government control of Wales. The National Assembly for Wales is located in Cardiff Bay.
Cardiff has a historic castle.The National Museum and art gallery is in Cathays Park.
The Millennium Stadium is located in Cardiff and is the Welsh national stadium for rugby and football (soccer).
Its population is 327,700 (2,001).