| Dunbar, Haddington, Jedburgh, Lauder, North Berwick|
Haddington, Dunbar, North Berwick, Lauder, Jedburgh
Dunbar, Haddington, Jedburgh, North Berwick, Berwickshire, Haddingtonshire, Roxburghshire
Haddington Burghs was a Scottish district of burghs constituency of the House of Commons of Great Britain (at Westminster) from 1708 to 1801 and of the House of Commons of the United Kingdom (also at Westminster) from 1801 until 1885. It elected one Member of Parliament (MP) using the first-past-the-post voting system.
Haddington Burghs (UK Parliament constituency) Wikipedia
The constituency consisted of the Haddingtonshire burghs of Haddington, Dunbar, and North Berwick, the Berwickshire burgh of Lauder, and the Roxburghshire burgh of Jedburgh.
In 1885, Haddington, Dunbar, and North Berwick were merged into the county constituency of Haddingtonshire, Lauder was merged into the county constituency of Berwickshire, and Jedburgh was merged into the county constituency of Roxburghshire.