It is located in the region of Galicia in northwest Spain. Its Costa da Morte (Coast of Death) is an area of important marine ecosystems, with steep cliffs, dunes and fishing villages with traditional lighthouses and beaches. The characteristic landscape in the interior is formed by mountains and green valleys. Its natural resources include particularly the Fraguas de Eume Nature Reserve, the Corrubedo Dune Complex and the lakes of Carregal and Vixán.

Its capital, Santiago de Compostela, is also the capital of the region of Galicia, and is the final destination on the Way of Saint James pilgrim route, which has been awarded the World Heritage designation by the UNESCO. The Old City of Santiago de Compostela has also been declared a World Heritage Site, together with the Tower of Hercules in the city of A Coruña.

Its most important festivals are the International Celtic Music Festival in Ortigueira and the Festivity of Saint James the Apostle, declared of International Tourist Interest. The local gastronomy is renowned for its first-rate shellfish, including products such as barnacles and several varieties of crab.