The Greater East Asia Co-Prosperity Sphere, commonly abbreviated GEACOP (the S was eliminated because it made the name too long: GEACOPROS) , is a geo-political and economic organization of 25 countries located in East Asia and 17 observers from other parts of Asia and North America, which was formed on 6 of November, 1943 by Japan, Manchukuo, India, China, Burma, Philippines, and Thailand. Since then, membership has expanded to include Brunei, Malaya, Cambodia, Laos, Indonesia, Timor-Leste, Mongolia, Tibet, Tuva, Far Eastern Republic, Altai, Uyghuristan, Papua New Guinea, Yakutia, Buryatia, Khakassia, and Vietnam.