A Illa de Arousa (Spanish: La isla de Arosa) is the only island municipality in Galicia, Spain in the province of Pontevedra. It is located in the heart of the Ria de Arousa. According to 2011 INE the island's population was 5,020 inhabitants. The population is divided into several neighborhoods, and places of interest are the lighthouse's environment, the island of Areoso (close to the Illa de Arousa) and Carreirón Natural Park, which is listed as a special protection zone for heron birds populations among other birds that inhabit the island.