It houses the following sites: Forte do Presépio, Dom Frei Caetano Brandão square, the Palace of the Eleven Windows, the Santo Alexandre Church and the Igreja da Sé (Belém Metropolitan Cathedral).

[4][2][5] Captain Francisco Castelo Branco, at the behest of the king of the Iberian Union (during the Philippine Dynasty) was sent to defend the Amazon from foreigners, who disputed the territory of the so-called "drugs of the sertão",[note 1] and to colonize the Empire of the Amazonas.

Gaspar Cardoso changed the course of the war by killing the cacique-guerreiro Guamiaba Tupinambá, resulting in the suspension of the attacks in order to hold the funeral.

[9] The Feliz Lusitânia complex is composed of:[6][17] The cradle of the city was built by Castelo Branco in 1616 to protect the Amazon from the Dutch and French invaders.

[6] Important urban landmark in Belém, built in the 18th century by Domingos da Costa Barcelar, a wealthy mill owner.

However, there are cases in which Ladeira do Castelo ("Castle Hill" in English) is registered as the first street of the city of Belém, located next to Forte do Presépio, connecting the Sé Square to Feira do Açaí.

[23] As well as the other projects linked to the gentrification issue (construction of new buildings adding value to the region and affecting the local low-income population), such as Estação das Docas and Mangal das Garças, are considered enclaves in the landscape, because they do not articulate with the surrounding community (lower class), and can generate processes of social-spatial segregation.