Belfast (meaning: "mouth of the sandbanks") is the capital and largest city of Northern Ireland, the second-largest city in Ireland after Dublin, and is situated around the River Lagan, which runs through the city. It is a port city known as the birthplace of the RMS Titanic, and for its political murals, documenting the ‘Troubles’ of the 20th century. Today, Belfast remains a centre for industry, as well as the arts, higher education, business, and law, and is the economic engine of Northern Ireland. The city suffered greatly during the period of conflict called "the Troubles", but latterly has undergone a sustained period of calm, free from the intense political violence of former years, and substantial economic and commercial growth. Additionally, Belfast city centre has undergone considerable expansion and regeneration in recent years, notably around Victoria Square.

The city has long been known as a centre of education, particularly in the fields of medicine, Scots law, the sciences and engineering. The University of Edinburgh, founded in 1583 and now one of four in the city, was placed 17th in the QS World University Rankings in 2013 and 2014. The city is also famous for the Edinburgh International Festival and the Fringe, the latter being the largest annual international arts festival in the world. The city's historical and cultural attractions have made it the second most popular tourist destination in the United Kingdom after London, attracting over one million overseas visitors each year. Historic sites in Edinburgh include Edinburgh Castle, Holyrood Palace, the churches of St. Giles, Greyfriars and the Canongate, and the extensive Georgian New Town, built in the 18th century. Edinburgh's Old Town and New Town together are listed as a UNESCO World Heritage Site, which has been managed by Edinburgh World Heritage since 1999.

Dublin is the largest and capital city of Ireland. The English name is derived from the Irish name Dubh Linn, meaning "black pool". It is a primate city with an urban population of over 1 million, containing almost 25% of the country's population. Dublin is situated near the midpoint of Ireland's east coast, at the mouth of the River Liffey, and at the centre of the Dublin Region. The city is listed by the Globalization and World Cities Research Network (GaWC) as a global city, with a ranking of "Alpha-", placing it among the top thirty cities in the world. It is a historical and contemporary centre for education, the arts, administration, economy and industry.

Bergen is the second largest city in Norway with a population of 261,600 as of April 31, 2011. Bergen is the administrative centre of Hordaland county. Greater Bergen or Bergen Metropolitan Area as defined by Statistics Norway, has a population of 386,900 as of April 31, 2011. Bergen is located in the county of Hordaland on the south-western coast of Norway. It is an important cultural hub in its region, recognized as the unofficial capital of Western Norway and sometimes also referred to as the Atlantic coast capital of Norway. The city was one of nine European cities honoured with the title of European Capital of Culture in the Millennium year.

Amsterdam is the capital of the Kingdom of the Netherlands. It is the country's largest city and its financial, cultural, and creative centre. Many large Dutch institutions have their headquarters there, and seven of the world's 500 largest companies, including Philips and ING, are based in the city. In 2012, Amsterdam was ranked the second best city in which to live by the Economist Intelligence Unit (EIU) and 12th globally on quality of living for environment and infrastructure by Mercer. Amsterdam derives its name from the city’s origin as “Dam” of river “Amstel”. In the past, the name was "Amstelredamme" which later changed as “Amsterdam”. The city is one of the most popular destinations in Europe, attracting over 7 million international travellers annually. The city is colloquially known as ''Venice of the North'' because of its lovely canals that criss-cross the city, its impressive architecture and more than 1,500 bridges. There is something for every traveller's taste here; whether you prefer culture and history, serious partying, or just the relaxing charm of an old European city!