Dublin is the capital and largest city of Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2022 census, the city council area had a population of 592713, while Dublin City and its suburbs had a population of 1263219, and County Dublin had a population of 1501500.
A settlement was established in the area by the Gaels during or before the 7th century, followed by the Vikings. As the Kingdom of Dublin grew, it became Ireland’s principal settlement by the 12th century Anglo-Norman invasion of Ireland. The city expanded rapidly from the 17th century and was briefly the second largest in the British Empire and sixth largest in Western Europe after the Acts of Union in 1800. Following independence in 1922, Dublin became the capital of the Irish Free State, renamed Ireland in 1937. As of 2018, the city was listed by the Globalization and World Cities Research Network (GaWC) as a global city, with a ranking of “Alpha minus”, which placed it among the top thirty cities in the world.
The Dublin region is the economic centre of Ireland, and was at the forefront of the country’s economic expansion during the Celtic Tiger period. In 2009, Dublin was listed as the fourth richest city in the world by purchasing power and 10th richest by personal income. According to Mercer’s 2011 Worldwide Cost of Living Survey, Dublin was the 13th most expensive city in the European Union (down from 10th in 2010) and the 58th most expensive place to live in the world (down from 42nd in 2010). As of 2017, approximately 874400 people were employed in the Greater Dublin Area. Around 60% of people who are employed in Ireland’s financial, ICT, and professional sectors are located in this area.