Places that currently use the centavo include: Argentine peso. Bolivian boliviano. Brazilian real.

Is centavo and cents the same?

Using one or the other depends on the *official* name of the fractional currency coin, as in "céntimo de euro" and "centavo de dólar". Both are synonyms for "one hundredth". They're used typically only for naming coins that are 1/100 of the unit value (ie. the same as "cent").

How many centavos make a peso?

The peso is subdivided into 100 centavos, represented by "¢".