Waterford, Ireland, is a historic city located in the southeast of the country. It is known for being the oldest city in Ireland, founded by the Vikings in 914 AD. The city is famous for its rich maritime history and its role as a trading port. One of Waterford's most notable attractions is the Waterford Crystal factory, where exquisite glassware is crafted. The city also features the Waterford Treasures, a collection of museums showcasing its heritage, including the Reginald's Tower, which dates back to the 12th century.