Ennis is the county town of County Clare, in the mid-west of Ireland. The town lies on the River Fergus, north of where the river widens and enters the Shannon Estuary. Ennis is the largest town in County Clare, with a population of 27,923, making it the 6th largest town, and 11th largest urban settlement, as of the 2022 census. Dating from the 12th century the town's Irish name is short for Irish: Inis Cluana Rámhfhada, meaning 'Island of the long rowing meadow', deriving from its location between two courses of the River Fergus.

County Clare is a county in the province of Munster in the Southern part of the republic of Ireland, bordered on the west by the Atlantic Ocean. Clare County Council is the local authority. The county had a population of 127,938 at the 2022 census. The county seat and largest settlement is Ennis.