It is a surname of Italian origin. Surname of a Colombian politician. called Gustavo Petro . Surname of Colombian folk singer, called Noel Petro and nicknamed "El Burro Mocho". Venezuelan cryptocurrency name. It means stone or also relating to oil. .
In Venezuela, "Petro" was the name given by Nicolás Maduro to the sovereign cryptocurrency, which was backed by oil assets to carry out transactions safely and directly to avoid blockades and embargoes and get new resources for that country.