sentences:  The site was inhabited during the Preclassic Period to the end of the Terminal Classic Period of Mesoamerican chronology and dominated the western portion of the Dolores valley.In the Late Classic Ixtutz was one of the most important centres in the Dolores region, competing fiercely with other sites in the area, and maintained strong political relations with the cities of the southwestern Petén such as Dos Pilas and Machaquila.Ixtutz is located in the municipality of Dolores, southwest of that town, in the Petén Department of northern Guatemala.