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
Roads in Ireland that time, Ireland's main cities (Cork, Limerick, Galway, Waterford and Belfast) excluding Derry were connected to Dublin with motorways or with near-motorway standard roads. Dublin was the focus of some other major projects, such as the East-Link and West-Link toll-bridges, as well as the Dublin Port Tunnel. Major by-pass projects were also built around other cities and towns. The Jack Lynch Tunnel under the River Lee in Cork was a major project outside Dublin, and a fourth crossing at Limerick under the River Shannon (known as the Limerick Tunnel) opened in 2010. The different classes of roads in Ireland are