The inhabited areas of Goodenough are found on the coast close to coral reefs, in the immediate hinterland, or in the foothills of the island's mountain spine. At contact Good-enough was divided into more than thirty geographical "Districts," each containing one or more villages. Certain districts were loosely affiliated through common dialect and a degree of intermarriage. Throughout the 1920s, government officers encouraged mountain communities to resettle at more accessible locations near the coast. Many communities amalgamated. The present-day successors of the districts are twenty-three census groups or "wards" of the local government council. The population of these village communities averages 500. The houses of a hamlet cluster around one or more circular sitting platforms constructed of stone slabs, Important symbols of descent-group continuity. Hamlets are surrounded by fruit trees: coconut, areca (betel nut), mango, breadfruit, and native chestnut. Houses are rectangular Structures built on piles and with gabled roofs; they usually contain two or three small rooms, including a kitchen. There are two main house styles: a warm, boxlike structure with pandanus1eaf walls, which is favored by the hill communities; and a cooler coastal style with walls of sago-leaf midrib. Both types have black-palm floors and roofs of sago-leaf thatch.