Zir Anay-e Sofla (, also Romanized as Zër 'AnÃÂy-e Soflá; also known as Zër 'AnÃÂ'-e ÃÂbë) is a village in Poshtkuh-e Rostam Rural District, Sorna District, Rostam County, Fars province, Iran. At the 2006 census, its population was 57, distributed in 10 families.