California, a western U.S. state, stretches from the Mexican border along the Pacific for nearly 900 miles. Its terrain includes cliff-lined beaches, redwood forest, the Sierra Nevada Mountains, Central Valley farmland and the Mojave Desert. The city of Los Angeles is the seat of the Hollywood entertainment industry. Hilly San Francisco is known for the Golden Gate Bridge, Alcatraz Island and cable cars.
The United States is a country also known as the United States of America, USA, US or just America. There are fifty states in the union, which is a federal republic ruled by a representative democracy. Nearly ten million square kilometres are inhabited by over 300 million people. The majority of Americans speak English.