London is the capital of England and the United Kingdom, and its largest city. It has the largest economy of any city in Europe and is a global hub for finance and culture. Edinburgh is the capital city of Scotland and its second largest city, located in southeast Scotland along the Firth of Forth. Belfast is the capital and largest city of Northern Ireland, located in the province of Ulster. Cardiff is the capital and largest city of Wales, and Wales' center of commerce and culture.

1. G R E A T B R I T A I N T H E U N I T E D S T A T E S

2. L O N D O N : Is the capital of England and the United Kingdom. It is the UK's largest and most populous metropolitan area and the largest urban zone in the European Union by most measures.London is a leading global city being one of the world's largest financial centres and has the largest city GDP in Europe. Central London is home to the headquarters of most of the UK's top 100 listed companies (the FTSE 100) and more than 100 of Europe's 500 largest. London's influence in politics, finance, education, entertainment, media, fashion, the arts and culture in general contributes to its global position. It is a major tourist destination for both domestic and overseas visitors. London hosted the 1908 and 1948 Summer Olympics and will host the 2012 Summer Olympics. London contains four World Heritage Sites: the Tower of London; the historic settlement of Greenwich; the Royal Botanic Gardens, Kew; and the site comprising the Palace of Westminster, Westminster Abbey and St. Margaret's Church.

3. B E L F A S T : Is the capital of and the largest city in Northern Ireland, a constituent country of the United Kingdom. It is the seat of devolved government and legislative Northern Ireland Assembly. It is the largest urban area in Northern Ireland, the second-largest city on the island of Ireland and the 15th-largest city in the United Kingdom. It is the main settlement in the province of Ulster. The city of Belfast has a population of 267,500[1] and lies at the heart of the Belfast urban area, which has a population of 483,418. The Belfast metropolitan area has a total population of 579,276]. Belfast is also the 100th-largest urban zone in the EU. Belfast was granted city status in 1888.

4. E D I N B U R G H : Is the capital city of Scotland . It is the second largest city in Scotland and the seventh-most populous in the United Kingdom . The City of Edinburgh Council is one of Scotland's 32 local government council areas . The council area includes urban Edinburgh and a 30-square-mile (78 km2) rural area. Located in the south-east of Scotland, Edinburgh lies on the east coast of the Central Belt , along the Firth of Forth , near the North Sea . Owing to its spectacular, rugged setting and vast collection of Medieval and Georgian architecture , including numerous stone tenements , it is often considered one of the most picturesque cities in Europe.

5. C A R D I F F : Is the capital, largest city and most populous county of Wales. The city is Wales' 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. According to recent estimates, the population of the unitary authority area is 324,800. Cardiff is a significant tourism centre and the most popular visitor destination in Wales with 11.7 million visitors in 2006.