Saudi Ambassador to Tunisia Ibrahim Al-Saad Al-Brahim held here today a luncheon in honor of Saudi Minister of Culture and Information Dr. Abdulaziz bin Mohieddin Khoja who is currently visiting Tunisia to participate in the International Conference on Dialogue among Civilizations and Cultural Diversity which was opened by Tunisian President Zine El Abidine Ben Ali today. The luncheon was attended by a number of officials.