Blh (Velky Blh) castle was built in the 13th century. In 1323 it was renovated in the Gothic style and in 1483 it was extended and fortifications were added. It played an important role at the times of Turkish invasion. It was destroyed in 18th century.
References:The Château du Lude is one of the many great châteaux of the Loire Valley in France. Le Lude is the most northerly château of the Loire Valley and one of the last important historic castles in France, still inhabited by the same family for the last 260 years. The château is testimony to four centuries of French architecture, as a stronghold transformed into an elegant house during the Renaissance and the 18th century. The monument is located in the valley of Le Loir. Its gardens have evolved throughout the centuries.