High Quality Content by WIKIPEDIA articles Yasuj (Persian: ياسوج; also Romanized as Yāsūj, Yasooj, and Yesūj; Lurish language: یاسووج or یاسیچ - Jasuc and Jasy ) is a city in and the capital of Kohgiluyeh and Boyer-Ahmad Province, Iran. At the 2006 census, its population was 96,786, in 20,297 families.