The Rock of Gibraltar has an area of two and a quarter square miles and is connected by a narrow isthmus to the southern coast of Spain. It has a population of approximately 30,000, of which 20,000 are Gibraltarian. The people are mainly of Italian, Genoese and Maltese descent, and are bilingual in English and Spanish. There is a small but significant Jewish population, a section of Indian traders and latterly a large influx of Moroccan workers.