Ecuador's flag features red, green, and blue representing the South American revolutionist Francisco de Miranda, with yellow representing federation. The capital of Ecuador is Quito, with Spanish as the official language and US dollars as the currency. The Galapagos Islands are a national wildlife reserve consisting of 15 main islands without an indigenous population. Quito is Ecuador's capital city with over 1.3 million people and a bustling market area located near the Pichincha volcano.