Most popular castles NetherlandsFriesland Castles Friesland Castles Friesland mapSee on the map Friesland castles by popularity rating +WAADHOEKENetherlandsCastle Popta See castles in other regions Friesland Gelderland Limburg North Brabant North Holland South Holland Utrecht (province) Other categories:MuseumsNatural history museums
