The Tours of the castle , in Indre-et-Loire , is located along the Loire in the oldest district of Tours , near the Saint Gatien cathedral , built on the remains of the ancient city whose Tours originated. Notwithstanding the extent of its foundation partially revealed by the excavations of the 1970s, it is the very modest traces of a castle medieval Count the xi th century, as it was modified and enlarged the xiii th and xv th centuries when it acquires the status of royal residence. Almost destroyed the xviii th century, its two remaining towers are accommodated with a new building used by the army from the Revolution . After serving as barracks , it is in this singular configuration that is rescued from oblivion and restored in the second half of the xx th century. It is the subject of a partial classification as historical monuments since, The other party enjoying an entry in the inventory the 2 . It now houses the activities cultural and heritage.