Ciudad Vieja is a town and municipality in the Guatemalan department of Sacatepéquez. According to the 2018 census, the town has a population of 32,802 and the municipality a population of 33,405. Ciudad Vieja was the second site of Santiago de los Caballeros de Guatemala, the colonial capital of the country.

Guatemala, officially the Republic of Guatemala, is a country in Central America. It is bordered to the north and west by Mexico, to the northeast by Belize, to the east by Honduras, and to the southeast by El Salvador. It is hydrologically bordered to the south by the Pacific Ocean and to the northeast by the Gulf of Honduras.