Which Olmec site in the Soconusco region may have been first planned city Mesoamerica with a central plaza ceremonial buildings and pyramidal mounds?

The Olmec site of La Venta in the Soconusco region is considered by many archaeologists to be the first planned city in Mesoamerica. It features a central plaza, ceremonial buildings, and pyramidal mounds, all of which are indicative of a complex and organized urban society. La Venta flourished during the Olmec civilization's apogee between 1200 and 400 BCE and is regarded as one of the most significant Olmec sites in the region.