Ayas Jan (, also Romanized as AyÃÂs JÃÂn; also known as AyÃÂz JÃÂn, YÃÂsgà «n, and YÃÂstagÃÂn) is a village in Beyza Rural District, Beyza District, Sepidan County, Fars province, Iran. At the 2006 census, its population was 1,009, in 239 families.