Ethiopia is a multiethnic state with 80 different ethnic groups. Christianity is the largest religion followed by Islam. Having  differential biomes and climate throughout its regions, Ethiopia is considered as a megadiverse country in Africa. This sovereign state is a founding member of the UN, the Group of 24 (G-24), the Non-Aligned Movement, the G77 and the Organisation of African Unity. Addis Ababa is the headquarters of the African Union, the Pan African Chamber of Commerce and Industry, the United Nations Economic Commission for Africa, the African Standby Force and many of the global NGOs focused on Africa.