Orel is the capital city of the Oka region in Russia. It is located on the Oka River, about 200 kilometers south of Moscow. The city has a population of around 300, 000 people and is an important industrial center. It is also known for its many cultural attractions, including the Oka State Museum of History and Culture, the Oka Art Gallery, and the Oka Theater. Orel is also home to several universities, including the Oka State University and the Oka Institute of Technology.