Ivanna is appointed P7K-172 by the Tau'ri is a planet in the Milky Way galaxy has a Stargate. The planet is covered by salt water oceans dotted with volcanic islands strings. The planet is part of a binary star system, undergoes a periodic cycle of warming and cooling that allows the sea level rises and falls in a cycle of 100 years of its proximity to their parent stars changes. The planet's Stargate is under water with the ruins around it.
Until Helots began arriving was Ivanna uninhabited if it had obviously worth a primitive Mayan civilization at once. About 40 years ago the first refugee Helots from Aegis came here through the Stargate. Since then, regular new influx of Helots've always come through the open arms of his fellows, welcome them to freedom in this new country. The previous Helots named their new home Ivanna, meaning "gift of the gods." Agriculture on the island is not difficult and animals, fruits and vegetables all flourish there. The indigenous mountain is good for the stonework and they have even discovered veins surprisingly pure metals, including silver and gold work. The city of Demetra located several miles from the beach, in a defensible area at the base of the series high cliffs. (RPG: "Stargate SG-1: Living Gods: Stargate System Lords")