Dublin is the capital and largest city of Ireland. Situated on a bay on the east coast, at the mouth of the River Liffey, it lies within the province of Leinster. It is bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. It has an urban area population of 1,173,179, while the population of the Dublin Region (formerly County Dublin) was 1,347,359. The population of the Greater Dublin Area was 1,904,806 per the 2016 census.