Current monarchs

• Abdullah of Saudi Arabia
  Abdullah of Saudi Arabia
  Abdullah bin Abdul-Aziz Al Saud, Custodian of the Two Holy Mosques, is the King of Saudi Arabia. He succeeded to the throne on 1 August 2005 upon the death of his half-brother, King Fahd. When Crown Prince, he governed Saudi Arabia as regent from 1998 to 2005...
  
   (born 1924), regent of Saudi Arabia since 1999 and king since 2005
• Abdullah II of Jordan
  Abdullah II of Jordan
  Abdullah II ibn al-Hussein is the reigning King of the Hashemite Kingdom of Jordan. He ascended the throne on 7 February 1999 after the death of his father King Hussein. King Abdullah, whose mother is Princess Muna al-Hussein, is a member of the Hashemite family...
  
   (born 1962), king of Jordan since 1999

Previous monarchs

• Abdullah I of Jordan
  Abdullah I of Jordan
  Abdullah I bin al-Hussein, King of Jordan [‘Abd Allāh ibn al-Husayn] عبد الله الأول بن الحسين born in Mecca, Second Saudi State, was the second of three sons of Sherif Hussein bin Ali, Sharif and Emir of Mecca and his first wife Abdiyya bint Abdullah...
  
   (1882–1951), king of Transjordan
• Abdullah Khan II, ruler of the Khanate of Bukhara
  Khanate of Bukhara
  Khanate of Bukhara was a significant state in Central Asia from the second quarter of 16th century to the late–18th century. Bukhara became the capital of the short-lived Shaybanid empire during the reign of Ubaydallah Khan . The khanate reached its greatest extent and influence under its...
  
  from 1577–1598