A city is a place where thousands or even millions of people live together in a very small space. Cities are much larger and more important than towns or villages.
Today, about half of the world’s population lives in cities.

Ancient Rome
Image: Fondazione Cariplo, CC BY-SA 3.0, via Wikimedia Commons

Banks of the Nile River in Cairo
Image: Faris El-Gwely, CC BY-SA 4.0, via Wikimedia Commons
