The State of Campeche is a state in the south-east region of the Mexican Republic. It is bordered by the Mexican states of Yucatán to the north east, Quintana Roo to the east, and Tabasco to the south west. To the south it is bordered by the Petén department of Guatemala and to the west by the Gulf of Mexico. The capital city of the state is the city of San Francisco de Campeche, which was declared a World Heritage Site by UNESCO. In addition to the city of Campeche, the state of Campeche includes the cities of Champotón, Ciudad del Carmen, and Escárcega, the towns of Bolonchén, Calkiní, Dzitbalché, Hecelchakán, Hopelchén, Lerma, Tenabo, and Sabancuy, and many ruins of the Maya civilization such as Becán, Calakmul, Silvituc, Dzibilnocac, Edzná, Hocchob, Holactún, Rio Bec, Uxul, Xicalango, Xpujil, and Xtampak. Campeche derives from the name of the Mayan city of Kan pech, which became today's San Francisco de Campeche.