WHAT IS A CITY?
Cities could be defined using these criteria:
- POPULATION AND SIZE
Cities have a large number of inhabitants are places densely populated. Size depends on different countries and in Spain a settlement to be considered a city should have 10.000 inhabitants.
- URBAN SPACE
Modern cities have high buildings, even skyscrapers. The urban space mainly is occupied by businesses, housing and transport infrastructure.
- ADMINISTRATIVE STATUS
City centers concentrate official buildings along history. This aspect could be based on their origins.
Cities and their surrounding metropolitan area – cities near a bigger city- have a population density over 150 inhabitants per km2.
WHAT IS MEANT BY A DIFUSE CITY?
A diffuse city is settlement which is not compact and contains rural areas within its metropolitan boundaries. New cities have been developed on the outskirts of cities:
- Companies move their factories and offices away from city centers,
- Roads and public transport infrastructures have improved.
- They offer healthier and more green spaces.