is a county in southeastern Norway bordering Akershus and southwestern Sweden while Buskerud and Vestfold is on the other side of the bay. The county administration is in Sarpsborg and Fredrikstad is the largest city. Many manufacturing communities are situated here. Moss and Fredrikstad have shipyards. Granite mines are situated in Østfold granite stone from these was used by Gustav Vigeland. The county slogan: The heartland of Scandinavia.