Ibiza is the third-largest island of the Balearic archipelago. The Catalan name Eivissa, is the one most used by the inhabitants. According to another grouping, Ibiza and Formentera, plus some uninhabited islands in the area are not part of the Balearic real but of a distinct group called “Pitiusa Islands” (islands covered by pines). It is about seventy-nine kilometers from the Catalan coast and Valencia. The area of Ibiza is about 572 sqkm, with only one river, Santa Eulària des Riu, the only one of the Balearic Islands. The resident inhabitants are about 130,000. The highest point of Ibiza is called Sa Talaiassa or Sa Talaia and rises to 475 meters above sea level. Major cities are Ibiza, Santa Eulària des Riu and Sant Antoni de Portmany. The climate of Ibiza is warm but not too stuffy, with twenty-five degrees on average during the hottest months, July and August; in winter the thermometer rarely falls below ten degrees in January.