the four British government organizations (one each for England, Scotland, Wales and Northern Ireland) which decide the boundaries of constituencies. They recommend changes to the boundaries so that the average population of constituencies remains the same in spite of population movements.
هیئتهای مرزبندی مناطق انتخاباتی, سازمانهای تعیین مرزهای حوزههای انتخاباتی