They are called "campamentos"
slums
I believe they are called Favela's
They are called Favela.
It's called favela
Slums
It's called "Villas" plural.
Slums.
Favela.
Mumbai, India. Was previously called Bombay. The slums are in the Juhu neighborhood of the city, while the largest slums are in Dharavi.
Many immigrants lived in urban apartment slums called flats. These flats held a great many people and were often overcrowded.
I believe the terms used were "slums" and "ghettos."