Sligo is a coastal seaport and the county town of County Sligo, Ireland, within the western province of Connacht. With a population of 20,608 in 2022, it is the county's largest urban centre and the 24th largest in the Republic of Ireland.

County Sligo is a county in Ireland. It is in the Northern and Western Region and is part of the province of Connacht. Sligo is the administrative capital and largest town in the county. Sligo County Council is the local authority for the county. The population of the county was 70,198 at the 2022 census. It is noted for Benbulben Mountain, one of Ireland's most distinctive natural landmarks.