El Centro, California ||This article needs additional citations
for verification. (September 2009)| |— City —| |Imperial County
and the state of California| |Incorporated||April 16, 1908| |•
City||11.099 sq mi (28.746 km2)| |• Land||11.081 sq mi (28.700
km2)| |• Water||0.018 sq mi (0.046 km2) 0.16%| |Elevation||-39
ft (-12 m)| |• Density||3,800/sq mi ( 1,500/km2)| |Time
zone||Pacific (PST) (UTC-8)| |• Summer (DST)||PDT (UTC-7)| |GNIS
feature IDs||1656501, 2410409| El Centro is a city in and county
seat of Imperial County, the largest city in the Imperial
Valley, east anchor of the Southern California Border Region,
and the core urban area and principal city of the El Centro
metropolitan area which encompasses all of Imperial County. El
Centro is also the largest American city to lie entirely below
sea level (-50 feet). The city, located in the far southeastern
corner of California, is near the major Southern California
cities of San Diego and Los Angeles to its west as well as
Phoenix and Tucson to its east.