The Citadel of Tripoli is a 12th-century fortress in Tripoli, Lebanon. It was built at the top of a hill "during the initial Frankish siege of the city between 1102 and 1109" on the orders of Raymond de Saint-Gilles, who baptized it the Castle of Mount Pilgrim while local Muslims have been referring to it as the Castle of Saint-Gilles.
However, very little of the original structure has survived, the castle having been rebuilt several times, and for the last time in the early 19th century, when the citadel was extensively restored and rebuilt by the Ottoman governor of Tripoli Mustafa Agha Barbar. The citadel nowadays houses the North Lebanon & Akkar Museum.
Wikipedia https://en.wikipedia.org/wiki/Citadel_of_Raymond_de_Saint-Gilles
Address (Unnamed Road), Tripoli, Lebanon
Coordinates 34°26'0.212" N 35°50'40.191" E