A Metropolitan City is a large urban area that serves as a central hub for economic, cultural, and social activities. These cities typically have a high population density and are surrounded by suburban areas. They often feature diverse communities, extensive public transportation systems, and a wide range of services and amenities. Metropolitan cities are usually characterized by their significant influence on regional and national levels. Examples include cities like New York City, Tokyo, and London, which are known for their vibrant economies, cultural institutions, and educational opportunities. These cities play a crucial role in shaping trends and driving innovation.