Major mosques of Istanbul

Sultanahmet (The Blue Mosque)
This 17th century mosque, near Haghia Sophia, is famous for the beautiful blue tile work ornamenting its walls. Its surrounding six slim minarets distinguish it from other mosques which normally have two or four minarets. It was built by architect Mehmet Aga by the order of Sultan Ahmed I as a complex in seven years and became the most important mosque of the city, right in Sultanahmet square.

Suleymaniye (the Magnificent)
This outstanding piece of architecture was built in the 16th century by the famous Ottoman architect Mimar Sinan for Sultan Süleyman the Magnificient. Standing on a hilltop of the ancient city over the Golden Horn, it contributes gracefully to the city's skyline. The tombs of the Sultan, his wife Hürrem and Mimar Sinan are found within its compounds. It is the largest mosque of Istanbul with four minarets.

Ortaköy mosque
The mosque is located on the shores of the Bosphorus in Ortaköy district. It was built in 1853 by the royal architect Nikogos Balyan, during the reign of Sultan Abdulmecid. The mosque is designed in Baroque style and has a fine location. It is composed of intimate rooms and a private area for the sultans. The wide and tall windows were designed to let in light from all around the Bosphorus. It has two minarets each with a single gallery that are be reached by a flight of stairs. The walls are made of white stone. The walls of the mosque's only dome were decorated with pink mosaics. Its recess in the wall of the kiblah was made of marble and decorated with mosaic, and the mihrab (pulpit) where the preacher stands was made with porphyry covered marble.