Brazil is divided in 26 states and 1 federal district. Some facts: — Amazonas is the largest state — Sergipe is the smallest state — São Paulo is the most populous state — Roraima is the least populous state — Amazonas is larger than Peru — Mato Grosso do Sul was part of Mato Grosso until 1977 — Tocantins was part of Goiás until 1988 — Rondônia was called Guaporé until 1956 — Roraima was called Rio Branco until 1962