Ortaköy Mosque Mecidiye Mahallesi Cami Sokak No 2 Ortakoy Besiktas Istanbul Turkey Eu Built 1854 Or 1856 Architect Garabet Balyan Nikoğos Balyan Commissioned Ottoman Sultan Abdülmecid I Floors 2 Minaret 2 Style 19th Century Eclectic Wallpaper Collections