The third-largest city of France is Lyon, which has four letters. Lyon is located in the Auvergne-Rhône-Alpes region in the east-central part of the country. It is the capital of the Rhône department and is the second-largest metropolitan area in France after Paris. Lyon is known for its historical and architectural landmarks and is a major center of business and finance. It is also a major cultural and educational hub, with numerous universities, museums, and theaters.