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Castle of Rahba: it was first founded by the Abbasid general Malik ibn Tauk during the reign of Caliph Harun al-Rashid . As such, the fortress town was often referred to as "Rahbat Malik ibn Tauk" by Muslim historians.
قلعة الرحبة في مدينة الميادين شرق سوريا، بناها الأمير مالك بن طوق التغلبي والي دمشق والأردن و الموصل في عهد الخليفة هارون الرشيد وتسمى باسمه رحبة مالك بن طوق