Ollolai is a comune at the centre of Barbagia, in the province of Nuoro. Its territory covers an area of 2,734 hectares. It is the main town of the Barbagia di Ollolai. The main square of the village was created in the early 20th century by diverting the stream that crossed it. Inside it lies a church dedicated to St. Michael the Archangel, which contains paintings by Carmelo Floris in the apse as well as a crucifix painted by Franco Bussu, an inhabitant of Ollolai. The oldest part of the church is a chapel dedicated to St. Bartholomew.