Ribacoa From Wikipedia, the free encyclopedia Ribacoa is a historical area in central Portugal. It is located roughly between Côa and Águeda rivers.[1][2] References [1]Researchgate - Jose Augusto De Sotto Mayor Pizarro: Seigneurial regime of north-eastern Portugal. Alto Douro and Riba Coa (XI-XIII centuries). September 2007: Hispania (Madrid, Spain: 1940) [2]Humberto Baquero Moreno (n.d.): A Irmandade de Ribacoa: Novos Documentos This Portugal location article is a stub. You can help Wikipedia by adding missing information.vte This article about Portuguese history is a stub. You can help Wikipedia by adding missing information.vte Related Articles