"... dating back to around 1800 BC. The stone heads have been ascribed to the Pre-Olmec Monte Alto Culture and some scholars suggest the Olmec Culture originated in the Monte Alto area. It has also been argued the only connection between the statues and the later Olmec heads is their size. The Monte Alto Culture may have been the first complex culture of Mesoamerica, and predecessor of all other cultures of the region. In Guatemala, there are some sites with unmistakable Olmec style, such as Chocolá in Suchitepéquez, La Corona, in Peten, and Tak'alik A´baj, in Retalhuleu, the last of which is the only ancient city in the Americas with Olmec and Mayan features."
In Guatemala, today's "History of" country.