shantytown [shantytowns](area containing a collection of shacks and shanties) noun [UK: ˈʃæn.tɪ.taʊn] [US: ˈʃæn.ti.ˌtɑːwn]There are many shantytowns in Mexico. = In Messico ci sono molte baraccopoli.
slum [slums](dilapidated neighborhood) noun [UK: slʌm] [US: sˈləm]There are many slums in Mexico. = Ci sono molte baraccopoli in Messico.