Buller District, one of 53 districts of New Zealand, and is within the West Coast Region. It covers Westport, Karamea, Reefton and Inangahua Junction.Buller District overall land area is 7,953.12 km² (3,070.72 sq mi).The district is administered by the Buller District Council with the seat in Westport, in which 45% of the district's population live.