North Ayrshire and Arran is a constituency of the British House of Commons, located in the south-west of Scotland within the North Ayrshire council area. It elects one Member of Parliament (MP) at least once every five years using the first-past-the-post voting system of voting. Once a longtime Conservative seat, the area had been represented by Labour MPs since 1987. The current MP is Patricia Gibson, who has held the seat as an SNP member since 2015.