Carlsbad is a coastal city in the North County region of San Diego County, California, United States. The city is 87 miles south of downtown Los Angeles and 35 miles north of downtown San Diego and is part of the San Diego-Carlsbad, CA Metropolitan Statistical Area. 

Chula Vista is the second largest city in the San Diego metropolitan area, Located about halfway — 7.5 miles between the two downtowns of San Diego and Tijuana in the South Bay.

Coronado is a resort city located in San Diego County, across the San Diego Bay from downtown San Diego.

​

Del Mar is a beach city in San Diego County, Del Mar is Spanish for "of the sea" or "by the sea," which reflects its location on the coast of the Pacific Ocean. 

El Cajon is a city in San Diego County,17 miles east of Downtown San Diego. The city, located in a valley surrounded by mountains, has acquired the nickname of "The Box." Its name originated similarly, from the Spanish phrase "el cajón," which means "the box" or "the drawer."

Encinitas is a beach city in the North County area of San Diego County. Located within Southern California, it is approximately 25 miles north of San Diego and about 95 miles south of Los Angeles.

Escondido is a city in San Diego County's North County region, 30 miles northeast of downtown San Diego, 15 miles from the ocean, and 40 miles from the Mexican border.

Imperial Beach is a residential beach city in San Diego County, The city is the southernmost city in California and the West Coast of the United States. It is in the South Bay area of San Diego County, 14.1 miles south of downtown San Diego and 5 miles northwest of downtown Tijuana, Mexico.

La Mesa is a city in San Diego County, located 9 miles east of Downtown San Diego in Southern California. Its civic motto is "the Jewel of the Hills."

National City is a city located in the South Bay region of the San Diego metropolitan area, in southwestern San Diego County.

Oceanside is a coastal city located on California's South Coast. It is the third-largest city in San Diego County, California. Together with Carlsbad and Vista, it forms a tri-city area. Oceanside is located just south of Marine Corps Base Camp Pendleton.

Poway is a city in San Diego County. Poway is north of the city of San Diego and south of the city of Escondido. Nearby communities include Rancho Bernardo, Sabre Springs, Scripps Ranch, Rancho Peñasquitos, and Ramona to the east. Poway is considered part of San Diego's North County.

San Diego, Spanish: [san ˈdjeɣo]; Spanish for 'Saint Didacus') is a city in California on the coast of the Pacific Ocean, approximately 120 miles south of Los Angeles and immediately adjacent to the border with Mexico. San Diego is the eighth-largest city in the United States and second-largest in California. The city is known for its mild year-round climate, natural deep-water harbor, extensive beaches, long association with the United States Navy, and recent emergence as a healthcare and biotechnology development center.

San Diego has been called "the birthplace of California". Historically home to the Kumeyaay people, it was the first site visited by Europeans on what is now the West Coast of the United States. 

The city is the seat of San Diego County and is the economic center of the region as well as the San Diego–Tijuana metropolitan area. San Diego's main economic engines are military and defense-related activities, tourism, international trade, and manufacturing. The presence of the University of California, San Diego (UCSD), with the affiliated UCSD Medical Center, has helped make the area a center of research in biotechnology.

San Marcos is a city in the North County region of San Diego County It is the site of California State University San Marcos. The city is bordered by Escondido to the east, Encinitas to the southwest, Carlsbad to the west, and Vista to the northwest. Lake San Marcos is an enclave, or county island, in the southwestern part of the city, within San Marcos' sphere of influence but technically an unincorporated community.

Solana Beach is a coastal city in San Diego County, California.

Vista is a city in Southern California and is located in northwestern San Diego County. Vista is a medium-sized city within the San Diego-Carlsbad, CA Metropolitan Area, San Diego County to north and east, with a county island in the central west. Located just seven miles inland from the Pacific Ocean, it has a Mediterranean climate.