The document provides information about the XVI International Congress of the International Union for Prehistory and Protohistoric Sciences (IUPPS) that will take place in Brazil in September 2011. The Congress is held every 5 years to discuss topics related to archaeology, history, prehistory, and protohistory. It will be jointly held with the XVI Congress of the Brazilian Archaeology Society and located at the Federal University of Santa Catarina in Florianopolis, Brazil from September 4-10, 2011. Participants can apply by contacting the organizers by email or through the Congress websites.