Cardiff is the capital, largest city and most populous county of Wales. Cardiff is a significant tourist centre in the United Kingdom and the most popular visitor destination in Wales with 11.7 million visitors in 2006. The city of Cardiff is the county town of the historic county of Glamorgan. The city centre is undergoing a major redevelopment. International sporting venues in the city include the Millennium Stadium (rugby union and football) and SWALEC Stadium (cricket).