An urban centre, also known as a metropolis or a city, is a prominent, densely populated area that is known for its commercial, cultural, and social activities. Some other synonyms that can be used interchangeably with an urban centre include a cosmopolitan area, a megalopolis, a bustling hub, a downtown district, a downtown core, a commercial centre, a downtown region, an urban cluster, and a central city. Whether it's referred to by one of these names or another, any place classified as an urban centre is likely to have a vibrant personality, a diverse population, and a unique character all its own.