In the presence of Prime Minister of the United Republic of Tanzania Kassim Majaliwa, Sheikh Saleh bin Abdulaziz bin Mohammed Al Al-Sheikh, Minister of Islamic Affairs, Call and Guidance, patronized here today the closing ceremony of the 19th Session of Grand Competition of the Holy Quran for the East African countries. In his speech, Al Al-Sheikh said that the Kingdom of Saudi Arabia is the center of the Islamic world, conveying to the participants the congratulations of the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud and His Royal Highness Prince Mohammed bin Salman bin Abdulaziz Al Saud, Crown Prince, Vice President of the Council of Ministers and Minister of Defense, on the occasion of the Holy month of Ramadan.