.

• Geography of California by region‎ (6 C, 1 P)

*

• Natural history of California by region‎ (13 C, 1 P)
• History of California by region‎ (8 C, 2 P)

A

• Area codes in California‎ (25 P)

B

• Big Sur‎ (1 C, 105 P)

C

• Central Valley (California)‎ (4 C, 18 P)
• Channel Islands of California‎ (4 C, 31 P)

E

• Economic regions of California‎ (5 P)
• Ecoregions of California‎ (2 C, 27 P)

G

• Geologic provinces of California‎ (12 C, 17 P)

I

• Imperial Valley‎ (4 C, 59 P)
• Inland Empire‎ (7 C, 42 P)

L

• Greater Los Angeles‎ (27 C, 14 P)
• Los Angeles metropolitan area‎ (4 C, 4 P)

M

• Megapolitan areas of California‎ (1 C, 4 P)
• Modoc Plateau‎ (3 C, 44 P)
• Monterey Bay Area‎ (4 C, 1 P)
• Mountain ranges of California‎ (5 C, 3 P)

N

• Napa Valley‎ (5 C, 37 P)
• Northern California‎ (48 C, 29 P)

S

• Sacramento Valley‎ (17 C, 45 P)
• Sacramento–San Joaquin River Delta‎ (4 C, 48 P)
• Salinas Valley‎ (3 C, 43 P)
• San Diego–Tijuana‎ (5 C, 5 P)
• San Francisco Bay Area‎ (28 C, 3 P)
• San Joaquin Valley‎ (16 C, 156 P)
• Shasta Cascade‎ (8 C, 19 P)
• Sierra Nevada (United States)‎ (7 C, 308 P)
• Silicon Valley‎ (7 C, 36 P)
• Southern California‎ (15 C, 36 P)
• Subdivisions of California‎ (4 C, 6 P)
• Subregions of the San Francisco Bay Area‎ (10 C, 23 P)

T

• Tourism regions of California‎ (5 P)

V

• Valleys of California‎ (22 C, 133 P)
• American Viticultural Areas of California‎ (3 C, 99 P)

• Ecology of California

*

• List of regions of California

A

• Anderson Canyon

B

• Big Sur
• Template:Big Sur

C

• Cascade-Sierra province
• Central California
• Central Coast (California)
• Central Valley (California)
• Coastal California
• Cucamonga Valley
• Cuyama Valley

D

• Death Valley
• Deserts of California

E

• East Bay
• East County, San Diego
• Eastern California
• Eastern Coachella Valley
• Emerald Triangle

G

• Gaviota Coast
• Gold Country
• Goose Lake Valley
• Greater Los Angeles

H

• High Desert (California)

I

• Imperial Valley
• Inland Empire

K

• Klamath Basin

L

• List of California urban areas
• Los Angeles Basin
• Lost Coast
• Lost Sierra
• Low Desert

M

• Modoc Plateau
• Monterey Bay
• Monterey Bay Area
• Template:Monterey Bay Area
• Monterey Peninsula
• Morongo Basin
• California Mother Lode

N

• North Bay (San Francisco Bay Area)
• North Coast (California)
• North County (San Diego area)
• Northern California

O

• Oxnard Plain

S

• Sacramento Valley
• Sacramento–San Joaquin River Delta
• Salinas Valley
• San Bernardino Valley
• Regions of the San Diego metropolitan area
• San Francisco Bay Area
• San Francisco Peninsula
• San Jacinto Valley
• San Joaquin Valley
• Shasta Cascade
• Sierra Nevada
• Silicon Beach
• South Bay (Los Angeles County)
• South Bay (San Diego County)
• South Bay (San Francisco Bay Area)
• South Coast (California)
• Southern Border Region (California)
• Southern California

T

• Telecom Valley
• Tri-Valley

V

• Victor Valley

W

• Wine Country