São Paulo is one of the 26 states of the Federative Republic of Brazil and is named after Saint Paul of Tarsus. It is located in the Southeast Region and is bordered by the states of Minas Gerais to the north and northeast, Paraná to the south, Rio de Janeiro to the east and Mato Grosso do Sul to the west, in addition to the Atlantic Ocean to the southeast. It is divided into 645 municipalities.