- a county in Connaught province, in the NW Republic of Ireland. 694 sq. mi. (1,795 sq. km).
- its county seat: a seaport.
- a county of NW Republic of Ireland, on the Atlantic: has a deeply indented low-lying coast; livestock and dairy farming. County town: Sligo. Pop: 58 200 (2002). Area: 1795 sq km (693 sq miles)
- a port in NW Republic of Ireland, county town of Co Sligo on Sligo Bay . Pop: 19 735 (2002)
