Dublin

Dublin is a city on Earth, in the nation-state of Ireland. Dublin is the capital and largest city in Ireland, located at the mouth of the Liffey river on Ireland's eastern coast. The word Dublin means black pool. (DS9 novel Warchild).

Miles O'Brien had a number of relatives living in Dublin. In the aftermath of the Dominion bombing of the Antwerp Conference, O'Brien requested that Odo go to Dublin and check on his family when he traveled to Earth. (DS9 episode Homefront).