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 25,276, making it the 6th largest town, and 12th largest urban settlement, as of 2016. Dating from the 12th century the town's Irish name is short for Inis Cluana Rámhfhada deriving from its location between two courses of the River Fergus. Ennis has had considerable success in the Irish Tidy Towns competition. In 2005 and 2021, the town was named Ireland's tidiest town, and was named Ireland's tidiest large urban centre on multiple ocasions.