The Viking Triangle is a historical area located in the town of Waterford, Ireland. It is named for its triangular shape and is known for its rich Viking heritage, dating back to the 9th century. The area features several important sites, including the Waterford Viking Museum, which showcases artifacts from the Viking era. Visitors to the Viking Triangle can explore well-preserved medieval architecture, such as Reginald's Tower and Christ Church Cathedral. The area also hosts various cultural events and festivals that celebrate its Viking history, making it a popular destination for tourists interested in Ireland's past.