Yucatán's one of the 31 states of Mexico, located on the north of the Yucatán Peninsula. The Yucatan peninsula includes three states: Yucatán, Campeche, and Quintana Roo; all three modern states were formerly part of the larger historic state of Yucatán in the 19th century. The state capital of Yucatán's Mérida. Geography The State of Yucatán's located on the Yucatán Peninsula. It borders the states of Campeche to the southwest, Quintana Roo to the east a… (More on Yucatan)