The Auckland Region is the most populous region of New Zealand, containing the country's most populous city, Auckland, as well the towns of Wellsford, Warkworth, Helensville, the Hibiscus Coast, Pukekohe and Waiuku and their surrounding rural areas, plus many islands in the Hauraki Gulf including Waiheke Island and Great Barrier Island. It contains a few small rural primary schools, some small town primary and secondary schools, and a large number of city schools.