
The ruins of the Jacoba Fortress
The Fortress of Voorne, also known as the Jacoba Fortress, is in the city of Oostvoorne in the Dutch province of South-Holland. The name Jacoba Fortress comes from its use in the early 15th century by Jacqueline (Jacoba in Dutch!), Countess of Hainaut. She used it as her summer residence. The oldest part of the [read more]