The medieval city of Enghien, at the edge of the Eastern part of the Hainaut region, is proud of a superb 182 hectares park, considered major cultural heritage of Wallonia. Its themed gardens, water structures, historical buildings and audio-guided trails are sure to enchant children and adults alike. Château d'Enghien is a château in Enghien, Wallonia, Belgium. The château dates from 1913 and is located within the Enghien Gardens. Before that, there were two other structures in its place. One was razed due to disrepair. The Duke Louis-Engelbert built another building in its stead.