Dungarvan is a coastal town and harbour in County Waterford, on the south-east coast of Ireland. Prior to the merger of Waterford County Council with Waterford City Council in 2014, Dungarvan was the county town and administrative centre of County Waterford. Waterford City and County Council retains administrative offices in the town. The town's Irish name means "Garbhann's fort", referring to Saint Garbhann who founded a church there in the seventh century.

County Waterford is a county in Ireland. It is in the province of Munster and is part of the Southern Region. It is named after the city of Waterford. Waterford City and County Council is the local authority for the county. The population of the county at large, including the city, was 127,363 according to the 2022 census. The county is based on the historic Gaelic territory of the Déise. There is an Irish-speaking area, Gaeltacht na nDéise, in the southwest of the county.