Dublin is the capital of and biggest city in Ireland. Dublin is in the region of Leinster on the east coast of Ireland, at the mouth of the River Liffey and border on on the south by the Wicklow Mountains. The city has a urban zone population of 1,173,179.The population of the Dublin Region, starting at 2016, was 1,347,359 and the number of inhabitants in the Greater Dublin zone was 1,904,806.

There is archaeological level headed debate with respect to accurately where Dublin was set up by Celtic-talking individuals in the seventh century AD. Later extended as a Viking settlement, the Kingdom of Dublin turned into Ireland's essential city following the Norman invasion. The city extended quickly from the 17^th century and was quickly the second biggest city in the British Empire before the Acts of Union in 1800. Following the partition of Ireland in 1922, Dublin turned into the capital of the Irish Free State, later renamed Ireland.

Starting at 2010, Dublin was listed by the Globalization and World Cities Research Network (GaWC) as a worldwide city, with a positioning of "Alpha-", which places it among the best thirty urban communities in the world. It is a historical and contemporary centre for education, the arts, administration, economy and industry