Elturgard, also called the Kingdom of the Two Suns, was a realm in the Western Heartlands in the latter part of the 15th century DR. Ruled from the city of Elturel, it was a theocracy dedicated to Torm, the Loyal Fury, and defended by its paladin knighthood, the Order of the Companion
https://forgottenrealms.fandom.com/wiki/Elturel