👉 Metropolitancy is a concept in urban planning, sociology, and economics that refers to the phenomenon where cities have multiple city centers or metropolitan areas. These centers are often located near major economic and cultural hubs, making them ideal for various industries and services. Metropolitancy can be divided into two main types: metropolises with one city as their capital (e.g., New York City) and metropolises with several cities as the capitals of different regions (e.g., Paris,