Palenque is an ancient Mayan ruin site located in the Mexican state of Chiapas. It was a major city during the Classic period of Mesoamerican civilization, and is known for its well-preserved architecture and sculptures. The site is believed to have been founded around 100 BC and was abandoned by the 10th century AD. Palenque is one of the most studied archaeological sites in Mexico, and has become a popular tourist destination.