What civilization built pueblo bonito?

Pueblo Bonito was built by the Ancestral Puebloans, also known as the Anasazi, who inhabited the Four Corners region of the United States. This impressive structure, located in Chaco Canyon, New Mexico, dates back to around the 9th to 12th centuries CE and served as a significant cultural and ceremonial center. It showcases advanced architectural techniques and reflects the social organization of the Ancestral Puebloan society.