The Living Greyhawk Gazetteer (LGG) is a sourcebook for the World of Greyhawk campaign setting for the 3rd edition of the Dungeons & Dragons roleplaying game. Despite the title, the Living Greyhawk Gazetteer is not exclusive to the Living Greyhawk Campaign. Other publications linked to the Living Greyhawk Gazetteer have treated it as superior to the D&D Gazetteer and used it in the D&D Gazetteer's place.