Original: The show followed the lives of a group of teenagers living in the upscale, star-studded community of Beverly Hills, California and attending the fictitious West Beverly High School and, subsequently, the fictitious California University after graduation.
Simplified: The show followed the lives of a group of teenagers living in the upscale, star-studded community of Beverly Hills, California and attending the fictitious West Beverly Hills High School and then-fictitious California University.