Qatar, also known as the State of Qatar, is a Arab Emirate located on the northeastern coast of the Arabian Peninsula in southwest Asia. A peninsula approximately one hundred miles long, Qatar is surrounded on all sides by the Persian Gulf, with the exception being to the south where it shares a border with Saudi Arabia. Prior to Doomsday, Qatar contained the third largest known reserves of natural gas. Since 1990, it has been a member of the Gulf States Union (GSU).