Take a look at Suleymaniye Cultural Info Centre. This Middle is an NGO managed by volunteers who also run Within the Suleymaniye Mosque. They give free details about Islam as well as Islamic tradition each Within the mosque and within their Middle. They've an interesting presentation about Islam and mosques. https://istanbul-wp56799.livebloggs.com/43456860/is-wordpress-is-free-can-be-fun-for-anyone