Buena Park is a city located in northwestern Orange County, California. As of the 2000 census, the city had a total population of 78,282. The city is located adjacent to the city of Anaheim and is located 12 miles (20 km) northwest of downtown Santa Ana. The Current OMB metropolitan designation for Buena Park and the Orange County Area is "Santa Ana-Anaheim-Irvine, CA. " Buena Park is home to several tourist attractions, most notably Knott's Berry Farm, and is the headquarters of grocery store chain Frazier Foods.