Johnstown, historically known as Coorthafooka, is a small town in County Kilkenny, Ireland. Bypassed in December 2008 by the M8, the town lies at the junction of the R639, the R502 and the R435 regional roads. It is the home of the Fenians GAA hurling club. Situated 121 kilometres (75 mi) from Dublin and 131 kilometres (81 mi) from Cork, it lies in the agricultural heartland of the southeast.

County Kilkenny is a county in Ireland. It is in the province of Leinster and is part of the Southern Region. It is named after the city of Kilkenny. Kilkenny County Council is the local authority for the county. At the 2022 census the population of the county was 103,685. The county was based on the historic Gaelic kingdom of Ossory (Osraighe), which was coterminous with the Diocese of Ossory.