Although observance was not always orthodox, devotion to and identification with the faith was high. Islam was the established religion, and as such its institutions received government support. The 1952 Constitution stipulates that the king and his successors must be Muslims and sons of Muslim parents. Religious minorities included Christians of various denominations, a few Shi'a Muslims, and even fewer adherents of other faiths.
Jordon is the location to one of the world's most unusual mosques, the Abu Darweesh Mosque in Amman. The King Abduallah I Mosque is the largest mosque in the country.