The Barcelona metropolitan area is a large urban region in northeastern Spain, centered around the city of Barcelona. It includes several surrounding municipalities and is known for its vibrant culture, architecture, and economic activity. The area is a major hub for tourism, business, and education, attracting millions of visitors each year. Covering approximately 636 square kilometers, the metropolitan area is home to over 5 million people, making it one of the most populous regions in Europe. It features a diverse landscape, including coastal areas along the Mediterranean Sea and mountainous regions, contributing to its appeal for both residents and tourists.