Cancún is a city in southeastern Mexico on the northeast coast of the Yucatán Peninsula in the Mexican state of Quintana Roo.
Wikipedia

Mexico is a country between the U.S. and Central America that's known for its Pacific and Gulf of Mexico beaches and its diverse landscape of mountains, deserts and jungles. Ancient ruins such as Teotihuacán and the Mayan city of Chichén Itzá are scattered throughout the country, as are Spanish colonial-era towns. In capital Mexico City, upscale shops, renowned museums and gourmet restaurants cater to modern life.

Wikipedia