Arakvaz (Persian: اركواز‎, also Romanized as Arak Vāz, Arkvāz, Erkewaz, and Arkwāz; also known as Arkavāzī, Arak Vāz-e Malek Shāhī, and Qal‘eh Darreh) is a city in and capital of Malekshahi County, Ilam Province, Iran. At the 2006 census, its population was 14,225, in 2,771 families.