Waterford is a city in the Republic of Ireland. It is the primary city of the South East region, and the fifth largest in the country. Founded in 914 AD, by the Vikings, it is Ireland's oldest city.
Waterford is the largest city in Ireland to retain its Viking-derived name, Vedrarfjord. Reginald's Tower, named after the city's founder, Regnall, is the oldest urban civic building in Ireland, and the oldest monument to retain its Viking name. It is to this day Waterford's most recognisable landmark.