At his arrival at the Planalto Palace, Humala smiled posing for photographers and the media. The president-elect is accompanied by his wife, Nadine Heredia.
Later, at 13.00 hours (11.00 hours Lima), Humala will be welcomed by Brazil's interim Minister of Foreign Relations, Ruy Nogueira, with whom he will have lunch at the Itamaraty Palace.
On Friday, he is slated to meet former President Luis Inacio Lula da Silva in Sao Paulo. On Saturday, he will fly to Paraguay for a meeting with President Fernando Lugo, and on Monday, he will be in Uruguay with that nation's President, Jose Mujica.
The next stop on his whistle-stop South American tour is Buenos Aires, Argentina, on Tuesday to visit President Cristina Fernandez, and on Wednesday he winds up his trip in Santiago, Chile, after meeting President Sebastian Pinera.
The 48-year-old leader of Gana Perú party defeated Keiko Fujimori in a run-off election Sunday. Humala will take office on July 28.