Orange County's inland region is densely populated. Most of the cities here are suburban communities with light industry and commercial offices and services.
- Aliso Viejo
- Anaheim - The most populous city in Orange County, home of the famous Disneyland theme park and two major sports teams: the Anaheim Ducks hockey team and the Los Angeles Angels baseball franchise.
- Anaheim Hills
- Buena Park - Best known as the home of the popular Knott's Berry Farm amusement park.
- Costa Mesa - Home to the Orange County Fairgrounds, a large performing arts center, and the large South Coast Plaza shopping mall.
- Fountain Valley
- Fullerton - Home to Cal State Fullerton, the Fullerton Arboretum, and Downtown Fullerton.
- Garden Grove - Home to the Crystal Cathedral, a stunningly huge structure of glass used as the cathedral of the local Roman Catholic Diocese.
- Irvine - A somewhat gentrified community with a significant Asian-American heritage, this is one of youngest and largest cities in Orange County.
- La Habra
- Laguna Hills
- Laguna Niguel
- Lake Forest
- Los Alamitos
- Mission Viejo
- Orange - Among the oldest of Orange County's cities, Orange is home to a historic downtown district surrounding a plaza, large parks, and a major outdoor shopping mall.
- San Juan Capistrano - A small and charming historic town that's home to a beautiful Spanish mission.
- Santa Ana - The seat of Orange County, home to a number of museums and a small historic downtown.
- Westminster - A small city with a prominent Vietnamese-American population — arguably the largest Vietnamese community outside of Vietnam — with many Vietnamese shops and restaurants.
- Yorba Linda
This is a large conurbation of residential and commercial areas, the border between individual cities sometime a little subtle. There are however between the cities large differences in wealth as well as distinctive cultural and ethnic differences in some suburbs.
Although the OCTA provide a good coverage of the area with buses this is a car metropolitan. People drive everywhere, it is rare to see people walking outside of the malls and a couple of cities that have retail streets.
The majority of the roads have a grid structure. Having the relative position of a few north-south and a few east-west roads in your head will be enough to get around the region without a map, although it takes a little time to remember exactly where the diagonally running Interstate 5 and Interstate 405 cross the main grid roads.