Mexico, officially the United Mexican States, is a country in North America, bordering the United States to the north and Guatemala and Belize to the southeast, with coastlines along the Pacific Ocean, Caribbean Sea, and Gulf of Mexico. Covering 1,972,550 km² (761,610 sq mi), it is the 13th-largest country by land area and has a population of over 130 million, making it the 10th-most populous country and the largest Spanish-speaking nation. Mexico City, the capital and largest city, is one of the world’s most populous metropolitan areas.