Most popular forts NorwayØstfold Forts Østfold Forts Østfold mapSee on the map Østfold forts by popularity rating +GAMLE FREDRIKSTADNorwayKongsten Fort See forts in other regions Hordaland Nordland Østfold Rogaland Telemark Trøndelag Vestfold West Agder Other categories:MuseumsFortresses
