Chora Church, also known as Kariye Museum, is a historic Byzantine church located in Istanbul, Turkey. Originally built in the 4th century, it was later converted into a mosque after the Ottoman conquest in 1453. The church is renowned for its stunning mosaics and frescoes that depict scenes from the life of Christ and the Virgin Mary. The architectural style of Chora Church is a prime example of Byzantine design, featuring a cross-in-square layout and a beautiful dome. In 1945, it was transformed into a museum, allowing visitors to appreciate its rich history and artistic significance. Today, it remains a popular destination for tourists and scholars alike.