1A city and port in Northern Ireland on the River Foyle near its outlet on the north coast; population 89,900 (est. 2009).Also called Londonderry
Originally called Derry, in 1613 the city was granted to the City of London for colonization and became known as Londonderry, which is still the official name, although it is known as Derry by the majority of people locally. It is also referred to as Derry/Londonderry
2(also County Derry)One of the Six Counties of Northern Ireland, formerly an administrative area.Also called Londonderry
3A town in southeastern New Hampshire, US, southeast of Manchester; population 34,242 (est. 2008).