Blue Mosque or The Sultan Ahmed Mosque is an historic mosque in Istanbul. The mosque is popularly known as the Blue Mosque for the blue tiles adorning the walls of its interior. It was built during the rule of Ahmed I.
Kanuni Sultan Süleyman Türbesi: it is an Ottoman imperial mosque, being the second largest mosque in the city. This is located on the second Hill of Istanbul, Turkey and is one of the best-known sights of the city.