The Cultural Triangle Yaxha-Nakum-Naranjo National Park (Triángulo Cultural in Spanish) is the first multidisciplinary project involving archaeologists, architects, restaurateurs, biologists and obviously workers. It is situated in Peten, Guatemala. The project does not only work in one archaeological site, but in a region of 1,200 square kilometres (460 sq mi) including three gigantic sites and 14 sub enters – the most populated area of the Mayan Classic.