Go to Suleymaniye Cultural Details Centre. This center is surely an NGO managed by volunteers who also operate In the Suleymaniye Mosque. They give free information regarding Islam and the Islamic lifestyle equally Within the mosque and within their Centre. They may have an interesting presentation about Islam and mosques. https://wordpress-kursu-istanbul91234.pointblog.net/the-5-second-trick-for-istanbul-wordpress-83487241