Beirut Campus was established in 1960. It is the main branch and located in the heart of Beirut in Tareek El Jadida. The land spans an area of 41,107 m2 and comprises two buildings with a total built area 50,500 m2. The main building has an area of 22,000 m2 and is utilized by BAU Administration and the Faculties of Business Administration and Dentistry.

There are a 300-seat festivities hall, five seminar rooms which are furnished and equipped with multimedia and display screens, a specially designed “Al Multaqa”, which is the Center for cultural and art activities, a Student Activities and Alumni & Career Office Building, a gymnasium, sports hall, and a cafeteria.

The second building is the 12-storie Hariri Building, with two basements and a ground floor. It is built on an area of 28,000 m2 and is comprised of five faculties: Human Sciences, Law and Political Science, Pharmacy, Medicine, and Health Sciences.