Thermae at the Citadel of Salah Ed-Din ruins. The Citadel of Salah Ed-Din is a castle in Syria. It is located 7 km east of Al-Haffah town and 30 km east of the city of Latakia, in high mountainous terrain on a ridge between two deep ravines and surrounded by forest, the site has been fortified since at least the mid 10th century.