Sarayburnu (also known as Seraglio Point) is a historic peninsula located at the entrance of the Golden Horn in Istanbul, Turkey. It lies between the Marmara Sea and the Golden Horn, and is home to several important landmarks of the city, including the Topkapi Palace, Hagia Sophia Museum, Sultanahmet Mosque (Blue Mosque), and the Basilica Cistern.
The area has been inhabited since ancient times and has played a significant role in the history of Istanbul, formerly known as Byzantium and later as Constantinople. It was a strategic location for both the Byzantine and Ottoman empires, and is home to several historical ruins, such as the Byzantine walls and the ruins of the Hippodrome. Today, Sarayburnu is a popular tourist destination and a symbol of Istanbul's rich history and culture. Visitors can take a stroll along the waterfront, enjoy the views of the Bosphorus and the Golden Horn, and explore the many museums and landmarks in the area.