A large or important municipality of a country, usually a major metropolitan center
Note publique d''information :
Human settlements larger than a village but smaller than a city
Note générale sur le champ d'application :
IM for cities as sociological or population entities; specific indentions are available
(NIM only) for epidemiological or ethnological studies; URBANIZATION is available
for the development from rural to urban society; URBAN POPULATION and URBAN HEALTH
are also available