Located in the eastern part of Los Angeles County, California, Diamond Bar got its name from the largest working cattle ranches in the western U.S during the early 1900s, the Diamond Bar Ranch. It has been one of the most popular residential locations because it is where the first hydrogen fueling station in Southern California is located. There are 15 schools around the area so those who would like to settle down doesn’t need to worry about their kids’ future. If you need new clothes, makeups, and other stuff, shopping centers are interspersed throughout the city.