Beirut is a city in the country of Lebanon. Jamal bin Muhammed once lived there, as recorded in his CTU file. Carl Benton once worked in Beirut and tortured an innocent man to death whilst there. (The Rookie · "Coffee Run", 24: Redemption)

In 1999, a group of Muslim extremists bombed the U.S. embassy in Beirut. Jack Bauer interrogated Abu Fayed's brother in connection with the attack, eventually killing him. ("Day 6: 6:00am-7:00am")