California, officially the State of California, is a state in the western part of the United States. It is the third largest state by total area and the largest by population in the United States. Its largest cities are Los Angeles, San Diego, San Jose, and San Francisco. The capital is Sacramento. It is bordered by Arizona to the southeast, Oregon to the north, Nevada to the east and the Mexican state of Baja California to the south.

Sicily is the largest island in the Mediterranean Sea and one of the 20 regions of Italy. It is one of the five Italian autonomous regions and is officially referred to as Regione Siciliana. Sicily is in the central Mediterranean Sea, south of the Italian Peninsula, from which it is separated by the narrow Strait of Messina. Its most prominent landmark is Mount Etna, the tallest active volcano in Europe, and one of the most active in the world, currently 3,329 m (10,922 ft) high. The island has a typical Mediterranean climate.