Barrio and Slum

Barrio noun - An urban area in a Spanish-speaking country.

Slum and barrio are semantically related. in area topic. In some cases you can use "Slum" instead a noun "Barrio", when it comes to topics like city center.

Slum noun - A district of a city marked by poverty and inferior living conditions.

Barrio and slum are semantically related. You can use "Barrio" instead a noun "Slum".