What is brazil castles?

There are no castles in Brazil. The Portuguese arrived in Brazil in 1500 and established numerous settlements and forts throughout the country, such as the Santa Cruz Fortress in Rio de Janeiro and the Forte dos Reis Magos in Natal. However, these structures primarily served as defense fortifications rather than castles. Brazil's colonial architecture is characterized by Portuguese Baroque style and features ornate churches, palaces, and mansions, such as the Itamaraty Palace and the Tiradentes Palace.