 Martín de Urzúa y Arizmendi, governor of Yucatán, launched an assault upon Nojpetén in March 1697; the city fell after a brief battle.With the defeat of the Itza, the last independent and unconquered native kingdom in the Americas fell to the Spanish.The Yucatán Peninsula is bordered by the Caribbean Sea to the east and by the Gulf of Mexico to the north and west.