Known in Turkish as Bozdogan Aqueduct, the Aqueduct of Valens is built at the 4th century by the Roman Emperor, Valens. Repaired several times during Ottoman Empire era, it is one of the most important historical monuments of Istanbul today.

Beyazit Square was one of the largest squares of the Byzantine Empire, and it rose to prominence as well during the Ottoman Empire era as the palace square. Neighboring Istanbul University today, it is located at the heart of the Historic Peninsula.

Also known as the Iron Church, Bulgarian St. Stephen Church is located at the coast of Golden Horn in Fatih Province. Located between Balat and Fener districts, the church opened after an extensive renovation that lasted seven years.

Located in the Fatih Province of Istanbul and distinguishing itself with its exquisite stone and brick walls, the mosque was built the 18th century. At the Corlulu Ali Pasha Complex including the mosque, there are also madrasas and a fountain.

You should definitely visit Eminonu District to closely feel Istanbul’s history. The district, etched to the hearts of bot Byzantine and Ottoman Empires, invites you to a very different world with its historical buildings and colorful bazaar. Eminonu is the first stop of visitors coming to Istanbul from all over the World.

The Galata Tower is a medieval stone tower in the Galata just to the north of the Golden Horn. Built in 1348 as the Tower of Christ by Genoese colonists at the highest point of the citadel of Galata which was then a Genoese colony independent from Constantinople.

Hagia Sophia ''Holy Wisdom" is considered as one of the eight wonders of the world and is former Orthodox patriarchal basilica, later a mosque, now a museum. Well known in particular for its gigantic dome, it is considered a symbol of Byzantine architecture.

Established in 1933 being Turkey’s first university, Istanbul University is located at Fatih province. The foundations of this deep-rooted university goes back to the Sahn-ı Seman Madrasa established following the conquest of Istanbul.

as one of the most important figures in Istanbul’s skyline, the New Mosque is a magnificent building at the coast of Eminonu. The mosque’s construction began in the 16th century, and it is regarded as one of the most beautiful examples of Ottoman Turkish architecture.

Located at the seaside, Ortaköy is an attractive spot for tourists with its art galleries, night clubs, cafés, bars, and restaurants. In the history, Ortaköy has an important place in both the Byzantine and Ottoman periods.

The first St. Antoine Church was wooden and built in 1230, but it was destroyed by fire in the 17th century, moved and rebuilt with red bricks in 1724. The church located on Istiklal Street welcomes people from every belief, and lets them make wishes by lighting candles.

The Topkapı Palace constructed by Fatih Sultan Mehmet, the Conqueror in 1478, was the official and primary residence in the city of the Ottoman Sultans for 400 years, from 1465 to 1856. The palace was a setting for state occasions and royal entertainments.

Designed as Triumphal Arch during the Byzantine era, the structure was merged with a fortress with four towers afterwards. Three more towers were added to the Fortress following the conquest of Istanbul, and in time it was named as Yedikule Dungeons. Being one of the oldest open-air museums of Turkey, you should definitely visit this impressive site.