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.
Hagia Sophia, now known as the Ayasophya Museum, is a former Greek Orthodox patriarchal basilica (church) and later an imperial mosque in Instanbul, Turkey. It is considered one of the greatest and most beautiful buildings in history.
Hagia Sophia is a great architectural beauty and an important monument both for Byzantine and for Ottoman Empires. Once a church, later a mosque, and now a museum at the Turkish Republic, Istanbul, Turkey