Brazil is divided into twenty-six estados ("states"; singular estado) and one district, the
Distrito Federal ("Federal District") which contains the
capital city,
Brasília. States are based on historical, conventional borders and have developed throughout the centuries; though some boundaries are arbitrary. The federal district is not a state on its right, but shares some characteristics of a state and some of a
municipality.The Federal District is encompassed by the state of
Goiás. The codes given below are defined in
ISO 3166-2:BR.
See more at Wikipedia.org...