Awwal 11, 1432 / April 15, 2011, SPA -- Prince Sultan bin Abdulaziz Competition for the Holy Quran Memorization and Recitation in the Continent of Africa was concluded here yesterday evening. A speech ceremony was held on the occasion. It was followed by the handing of prizes to the winners. This year, the number of competitors was more than 3300 from 28 African countries.