Caicó, also known as the City of Prince, is a municipality in the Seridó Ocidental microregion and Central Potiguar mesoregion, in Rio Grande do Norte state, Northeast Brazil.

Founded in 1735 as Vila Nova do Príncipe,[citation needed] the city has evolved into a political and cultural centre of Rio Grande do Norte.

Were awarded land grants as rewards for military shapes such as the expulsion of the Dutch and for priests, with the construction of the chapel in honor of St. Anne in 1695.

However the first families to settle fully took place from 1720, by Portuguese coming mainly from northern Portugal and the Azores.

[2][3] Beside Mossoró and Pau dos Ferros, both in Western Rio Grande do Norte, Caicó is one of the hottest cities in the state[4] with temperatures reaching up to 38 °C (100 °F) during the day.