Capital Doha Population 484,387 (1992 est.) Area 11,437 sq km (4,260 sq mi) Official Language Arabic Second Language English Major religion Islam Universities 1 Currency Qatar riyal 1 Qatar riyal = 100 dirhams $1 = 3.64 Qatar riyals Government Emirate Head of state Hamad bin Khalifa Al-Thani, Emir.