The flag of Ecuador features yellow, blue and red stripes representing gold, the seas, and blood, with a coat of arms depicting Mount Chimborazo, the Guayas River, Ecuador's first ship, and symbols representing the Marxist Revolution of 1845. The capital of Ecuador is Quito, with a population of over 14 million according to the 2010 Census. Spanish is the most common language. Ecuador uses the U.S. dollar and has geography that consists of coastline, highlands, and rainforest, with Mount Chimborazo and the Galapagos Islands as notable locations.