Caué is a district of São Tomé Province. Out of the seven districts that make up the equatorial Atlantic islands of São Tomé and Príncipe, it is one of the smallest in terms of population with approximately 5,900 residents, but is the largest in area covering approximately 267 square kilometers. The district capital is São João dos Angolares. Half of the population live in the community of Santa Cruz. Much of the municipality are forested and are inaccessible to automobiles. Much of the municipality are rainforests, farmlands are within the valley areas. The municipality includes the small islet of Rólas which lies directly on the equator.