NOTOC Formosa means "beautiful" in Portuguese. It is used as a name for more than one place: Argentina Formosa (province), a province in the Chaco region of Argentina. Formosa (Argentina), the capital city of Formosa (province). Brazil Formosa (Brazil), a city in the state of Goiás. Canada Formosa (Canada), a town in Ontario. Portugal Formosa (Santarém) - a town in Portugal. Formosa (Portalegre) - a town in Portugal. Taiwan The island was called "Formosa" by non-Chinese until the late 20th century. The Chinese name "Taiwan" is in general use now. United States of America Formosa (Virginia) - a town in Virginia. Formosa (Arkansas) - a town in Arkansas.