Na_h-Eileanan_an_Iar_(UK_Parliament_constituency)

Na h-Eileanan an Iar (; Scottish Gaelic pronunciation: [nəˈhelanən əˈɲiəɾ]), formerly Western Isles, is a constituency of the House of Commons of the Parliament of the United Kingdom, created in 1918. It elects one Member of Parliament (MP) by the first past the post system of election.
With around 21,000 registered voters, it has the smallest electorate of any constituency in the United Kingdom. It is expressly protected from being combined with other constituencies by the 2011 Parliamentary Voting System and Constituencies Act.