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
R666 road (Ireland) R666 road (Ireland) The R666 road is a regional road in Ireland which runs west-east from the R639 in Fermoy town centre to the bridge over the River Blackwater on the outskirts of Lismore. The road passes through Ballyduff, and beneath the River Blackwater viaduct which carries the M8 motorway. The R666 begins in Fermoy as the Rathhealy Road. From here to its merger with the R667 road 3km south of Kilworth, the R666 was once part of the historic road linking Dublin and Cork. It was mapped as such by Herman Moll in his 1714 "New Map of Ireland".