Midlothian is a county in Scotland, bounded on the east by
East Lothian and
Berwickshire, on the south by
Roxburghshire,
Selkirkshire and
Peeblesshire, on the west by
Lanarkshire and
West Lothian, and on the north by the
Firth of Forth. It covers an area of 366 square miles.
The surface is largely hilly, with the Pentland hills rising in the southwest to heights of 1900 feet, and in the southeast is an extension of the Lammermuir Hills. The chief rivers are the Esk, the Almond, the the Water of Leith, emptying into the Forth. The capital is Edinburgh, which is the chief city. Its port is Leith.