The Historic Center of Natal is a delimited area of 201,278 m² in the capital of the Brazilian state of Rio Grande do Norte. This section includes 150 buildings of diverse styles, including colonial, neoclassical, art deco and modernist architecture. It comprises the neighbourhoods of Cidade Alta and Ribeira and some buildings of the neighbourhoods of Tirol and Petrópolis, which are the oldest areas of the city and show characteristics of the first centuries of Brazil's history and important aspects of Portuguese colonization.