Østfold

is a county in southeastern Norway, bordering Akershus and southwestern Sweden (Västra Götaland County and Värmland), while Buskerud and Vestfold is on the other side of the bay. The county administration is in Sarpsborg and Fredrikstad is the biggest city. Østfold is located between the Oslo Fjord and Sweden. It is a hilly landscape with a lot of woodland. It's also a typical low-land district; the highest mountain, Slavasshøgda is only 336 metres high. The towns Askim, Fredrikstad, Moss, Mysen, Halden, and Sarpsborg are located here, making Østfold the county of Norway with most towns. The rivers Glomma and Tistedalselva run through the district.
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