Address: 11th Street, Adnan Halabi Building – 5th floor, Dekwaneh, Lebanon Availability: Weekdays from 8:30 a.m. to 4:00 p.m. and Saturday from 8:30 a.m. to 1:00 p.m. Phone: +961 1 488 068 E-Mail: info@optl.org Web: http://www.optl.org