- Formerly Edinburgh. a historic county in SE Scotland.
- a town in NE Illinois.
- a council area of SE central Scotland: the historical county of Midlothian (including Edinburgh) became part of Lothian region in 1975; separate unitary authorities were created for Midlothian and City of Edinburgh in 1996; mainly agricultural. Administrative centre: Dalkeith. Pop: 79 710 (2003 est). Area: 356 sq km (137 sq miles)