The Kariye Museum, also known as the Chora Church (Turkish: Kariye Müzesi), is located in Istanbul, Turkey. It is a former Byzantine church built in the 4th century and later converted into a mosque during the Ottoman period. 

The museum is known for its stunning Byzantine mosaics and frescoes, which depict scenes from the Bible and the lives of the saints.

The Kariye Museum is a masterpiece of Byzantine architecture and art, considered one of the finest examples of Byzantine churches worldwide.

It is decorated with intricate mosaics and frescoes that cover every surface, including the walls, ceiling, and dome. The mosaics and frescoes depict scenes from the Bible, including the life of Jesus and the Virgin Mary and the lives of the saints.

The Kariye Museum is a popular tourist attraction in Istanbul and is a must-see for anyone interested in Byzantine art and architecture. It is open to the public and offers guided tours in several languages.