Castles & palaces in Østfold

The catalogue lists 4 historic buildings in Østfold. Most common: Fortresses (4).

Sites 4

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Fortress

Fredrikstad Fortress

Fredrikstad · Norway

Fortress

Fredriksten Fortress

Halden · Norway

Fortress

Basmo Festning (Fortress)

Marker · Norway

Fortress

Kongsten Fort

Fredrikstad · Norway