Population inhabiting a group of people who are mainly engaged in industrial and commercial activities
Cornubation
It is an extensive urban area resulting from the expansion of several cities or towns so that they coalesce but usually retain their separate identities.
Metrapolitan area
It is a region consisting of a densely populated urban core and its less-populated surrounding territories, sharing industry, infrastructure, and housing.
Urban region
It is a human settlement with high population density and infrastructure of built environment.
Megacity
It is a metropolitan area with a total population in excess of ten million people.
Global city
It is a city generally considered to be an important node in the global economic system.
National city
It is the municipality exercising primary status in a country, state, province, or other region, usually as its seat of government.
Regional city
It is a term in use since about 1950 by urbanists, economists and urban planners to mean a metropolitan area and hinterland, often having a shared administration.
Small city
It is a city which is small