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.