1919, Nordre Bergenhus amt was renamed Sogn og Fjordane fylke and Søndre Bergenhus amt was renamed Hordaland fylke during a period of time when many location names in Norway were changed.

The city of Bergen was removed from the Bergenhus amt in 1831 and it was classified as a city-county (byamt) from 1831 to 1972. During that time in 1915, Årstad Municipality was annexed into Bergen. In 1972, the neighbouring Arna Municipality,