Final answer:
The Peten region, site of many Mayan ruins including Tikal, is located in Guatemala. These ruins attract many tourists each year.
Step-by-step explanation:
The country that has the Peten region, site of many Mayan ruins including Tikal, is Guatemala. The Peten region is located in northern Guatemala and is known for its rich archaeological sites that were once part of the Mayan civilization.
During the Early Classic period (250-600 CE), Tikal, Calakmul, and El Mirador were major Mayan cities in the Peten region. These cities had large pyramid-like structures and were built next to lakes for access to water.
Slash-and-burn agriculture was practiced in the region to sustain the growing urban populations. Today, these Mayan ruins in Guatemala attract thousands of tourists each year.