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.

France, officially the French Republic, is a country, primarily located in Western Europe, consisting of metropolitan France and several overseas regions and territories. The metropolitan area of France extends from the Rhine to the Atlantic Ocean and from the Mediterranean Sea to the English Channel and the North Sea. It borders Belgium, Luxembourg and Germany to the northeast, Switzerland, Monaco and Italy to the east and Andorra and Spain to the south. The overseas territories include French Guiana in South America and several islands in the Atlantic, Pacific and Indian Oceans. The country's 18 integral regions (five of which are situated overseas) span a combined area of 643,801 km2 (248,573 sq mi) and a total population of 67.07 million (as of June 2020).