Kastoria is a city located in northern Greece within the region of Western Macedonia. It serves as the capital of the Kastoria regional unit in the geographic region of Macedonia. The city is situated on a promontory on the western shore of Lake Orestiada, nestled in a valley surrounded by limestone mountains.
The city is notable for its historical architecture and local industries. It is well-known for its many Byzantine churches as well as domestic architecture dating from both the Byzantine and Ottoman eras. Additionally, Kastoria is recognized for its lake and its established fur clothing industry.