Kariye Camii, originally known as the Church of Chora, is one of the finest examples of Byzantine art in the world. Famous for its breathtaking mosaics and frescoes, the structure dates back to the 4th century and reflects the artistic and religious richness of the Byzantine Empire. Over the centuries, it has served as a church, museum, and mosque, making it a symbol of Istanbul’s layered history.

Tekfur Sarayı is the last remaining part of the Byzantine Blachernae Palace complex and one of the few surviving imperial palaces in Istanbul. Dating back to the 13th century, it once hosted Byzantine emperors. Today, it stands as a rare example of late Byzantine architecture and offers insight into imperial life, later Ottoman use, and modern restoration efforts.

Balat is one of Istanbul’s oldest and most vibrant neighborhoods, known for its colorful houses, narrow cobblestone streets, and rich multicultural heritage. Historically home to Jewish, Greek, and Armenian communities during the Ottoman period, Balat offers a unique blend of cultures, architecture, and local life. Today, it is one of the most photogenic and authentic districts in the city.

The Ayazma Church is a small but historically significant Greek Orthodox church located near Chora and the ancient Byzantine walls of Constantinople. The word "Ayazma" comes from the Greek term meaning "holy spring" or "sacred water." For centuries, pilgrims have visited this site to collect water believed to possess healing and spiritual qualities.

This is the famous Sveti Stefan Bulgarian Iron Church, built in 1898 for Istanbul's Bulgarian Orthodox community. What makes it unique is that almost the entire church is made of prefabricated cast iron pieces produced in Vienna and shipped to Istanbul by sea. The church stands as a symbol of the city's multicultural past and is considered one of the world's most remarkable examples of 19th-century iron architecture

This impressive building is the Phanar Greek Orthodox College, often called the Red School or Red Castle. Built in the late 19th century, it was one of the most prestigious schools of the Greek Orthodox community in the Ottoman Empire. Its distinctive red bricks were imported from France, and its prominent location overlooking the Golden Horn reflects the importance of education and culture within Istanbul's historic Greek community