Nord-Pas de Calais is located on the northeastern part of France. It is here
where the city of Calais is located, the nearest city to England.
The Citadelle de Lille is a citadel in Nord-Pas de Calais’s biggest city,
Lille and it is worth visiting.
Also the medieval Château de Boulogne-sur-Mer is a nice palace and it
currently houses a museum.