Magnificent temples were built at Heliopolis (the 13th nome of Lower Egypt). They were dedicated to the cults of the main deities of the province, i.e. Atum and Re"). Other gods were also prominent in the area like Isis, Horus, Thoth, Hapy and Bastet . There were also some divine foundations such as the Mansion of the conical Benben-stone, as well as the (hwt-bnw), the House of the Phoenix bird personifying the sun-god
One of the sanctuaries at Heliopolis belonged to Iusaas, who was associated with Atum, the creator god of Heliopolis and the father of the gods according to the Heliopolitan cosmogony . She usually figures as a woman, either sitting or standing, her head is adorned with the Hathoric emblem (the sun-disc between two horns), and in some examples she bears above her head a scarab . She was also associated with the acacia-tree.