Al Koot Fort most commonly known as the Doha Fort, is a historical military fortress located in the heart of Doha, Qatar's capital city. It was built in 1927 by Sheikh Abdulla bin Qassim Al Thani, better known as Sheikh Abdullah bin Jassim Al Thani, who ruled Qatar from 1913 until 1949, after Sheikh Mohammed bin Jassim Al Thani, Sheikh Abdullah's brother, abdicated in favor of him.