Marco is a municipality located in the state of Ceará within the Northeast Region of Brazil. It covers a total area of 573.61 square kilometers, with approximately 4.4206 square kilometers designated as urban territory.
The city is situated 191 kilometers from Fortaleza, the capital of Ceará, and 1,645 kilometers from Brasília, the federal capital of Brazil. According to the 2022 demographic census conducted by the Brazilian Institute of Geography and Statistics (IBGE), Marco has a population of 25,799 inhabitants. It ranks as the 72nd most populous municipality in the state of Ceará.