Islam is the most widespread religion, unless all Oriental religions are counted as different denominations of the same faith. The Muslim World is divided in five major centers: * The Arab Khaliphate in Grenada, is the supreme political leader in the Arab world. Most Arabs are Suni. * The Turkish Sultanate in Vienna is the supreme political leader of non-Arab Europe. * Basra is the political center of the Chii muslims, dispersed in the Russian and Chinese worlds. * Indian and Chinese Sunis usually refer themselves to Karachi. * The Political center of the Indonesian Muslims is Brunei