Nauru is a small island nation in the South Pacific Ocean, formerly known as the Republic of Nauru. EIRE is the Irish name for the Republic of Ireland. Zaire was the former name of the Democratic Republic of the Congo from 1971 to 1997. Ubangi is a river that forms part of the border between the Democratic Republic of the Congo and the Central African Republic. All of these terms are related to the Democratic Republic of the Congo, formerly known as Congo (Democratic Republic).