Eastern Arabia
Islam is dominant in Eastern Arabia, primarily of the Sunni Maliki school of jurisprudence, though Hanafi, Shafi'i and Hanbali schools also have adherents in the region. Shia Islam has a strong presence in Eastern Arabia, primarily in Bahrain, Qatif and Ahsa. The Ibadi sect is dominant in Oman, which also has Sunni and Shia minorities.