Banque du Liban. Banque du Liban (BdL, Arabic: ???????? ??????????, English: Bank of Lebanon) is the central bank of Lebanon. It was established on August 1, 1963, and became fully operational on April 1, 1964. It is currently headed by Riad Salameh. Besides the main branch in Beirut, it has branches in Aley, Baalbeck, Bikfaya, Jounieh, Nabatiye, Sidon, Tripoli, Tyre, and Zahl??.