Dublin is located in the province of Leinster on the east coast of Ireland, at the mouth of the River Liffey and bordered on the South by the Wicklow Mountains.
The city has an urban area population of 1,173,179.
The city expanded rapidly from the 17th century and was briefly the second largest city in the British Empire before the Acts of Union in 1800.
Following the partition of Ireland in 1922, Dublin became the capital of the Irish Free State, later renamed Ireland.
In Modern Irish the name is Duibhlinn, and Irish rhymes from Dublin County show that in Dublin Leinster Irish it was pronounced Duílinn ().