Haddingtonshire, or East Lothian, a maritime county in the south-east of Scotland, having Midlothian as its western and Berwickshire as its southern boundaries. It has a coast-line of more than 30 miles from Musselburgh on the Firth of Forth to the border of Berwickshire on the North Sea. The area of the county is 280 square miles. Large crops of wheat, beans, and "Dunbar reds" (potatoes) are obtained. There are fisheries at Dunbar and in the coast-villages. The chief towns are Haddington, Dunbar, North Berwick, and Musselburgh. The county sends one member to Parliament.