Dublin and is a meeting place for different groups. The closest Gaeltacht to Dublin is the County Meath Gaeltacht of Ráth Cairn and Baile Ghib which is away. Dublin is twinned with four places: The city also has "co-operation agreements" with a number of other cities, and has previously proposed agreements with Rio de Janeiro and the Mexican city of Guadalajara. Dublin Dublin (; ) is the capital of, and largest city in, Ireland. It is on the east coast of Ireland, in the province of Leinster, at the mouth of the River Liffey, and is bordered on the south by
Dublin Port Tunnel Dublin Port Tunnel The Dublin Tunnel (Irish: "Tollán Bhaile Átha Cliath"), originally and still commonly known as the Dublin Port Tunnel, is a road traffic tunnel in Dublin, Ireland, that forms part of the M50 motorway. The twin tunnels form a two-lane dual carriageway connecting Dublin Port, which lies to the east of central Dublin, and the M50 motorway at junction 2, close to Dublin Airport. The tunnels are in length and total project length of . It had final cost of approximately €752 million. The tunnel was officially opened on 20 December 2006; it was initially only open to