Editing Østfold (section)

== The name==
The old name of the [[Oslofjord]] was ''Fold''; ''Østfold'' means 'the region '''east''' of the Fold' (see also [[Vestfold]]). The name was first recorded in 1543; in the Middle Ages the name of the county was ''Borgarsysla'' 'the county/sýsla of the city Borg (now [[Sarpsborg]])'. Later, when Norway was under [[Denmark|Danish rule]], the Danish king divided the area into many baronies. These were merged into one county ([[Amt (country subdivision)|amt]]) in 1662 - and it was then named ''Smaalenenes Amt'' 'the [[Amt (administrative division)|amt]] consisting of small [[counties of Norway|len]]'. The name was changed back to ''Østfold'' in 1919.