Seaside, formerly East Monterey, is a city in Monterey County, California, United States, with a population of 32,366 as of the 2020 census. It is located 2.25 miles (3.6 km) east-northeast of Monterey, at an elevation of 33 feet (10 m), and is the home of California State University, Monterey Bay (CSUMB), UC MBEST Center, and the Monterey College of Law, which are located on the site of the former military base Fort Ord. Also on the site are the Bayonet and Black Horse golf courses, now open to the public and host to PGA Tour events, including the 2012 PGA Professional National Championship. Seaside is the gateway to Fort Ord National Monument, created on April 20, 2012.

Monterey County, officially the County of Monterey, is a county located on the Pacific coast in the U.S. state of California. As of the 2020 census, its population was 439,035. The county's largest city and county seat is Salinas.