The region known for the historical site of Machu Picchu is Peru. This ancient Inca citadel, built in the 15th century, is located in the Andes Mountains and is renowned for its archaeological significance. Machu Picchu attracts tourists from around the world who come to explore its well-preserved ruins and stunning mountainous views. Declared a UNESCO World Heritage site, its intricate stone constructions and terraces demonstrate the advanced engineering skills of the Incas. The breathtaking scenery and historical context make Machu Picchu a pivotal destination for cultural and historical tourism.