Greater Los Angeles
large urban region in the United States
Greater Los Angeles is the most populous metropolitan area in the U.S. state of California, encompassing five counties in Southern California extending from Ventura County in the west to San Bernardino County and Riverside County in the east, with the city of Los Angeles and Los Angeles County at its center, and Orange County to the southeast. The Los Angeles–Long Beach combined statistical area (CSA) covers 33,954 square miles (87,940 km2), making it the largest metropolitan region in the United States by land area. The contiguous urban area is 2,281 square miles (5,910 km2), whereas the remainder mostly consists of mountain and desert areas. With an estimated population of over 18.3 million (U.S. Census Bureau, 2023), it is the second-largest metropolitan area in the country, behind New York, as well as one of the largest megacities in the world.
In addition to being the nexus of the global entertainment industry, including films, television, and recorded music, Greater Los Angeles is also an important center of international trade, education, media, business, tourism, technology, and sports. It is the third-largest metropolitan area by nominal GDP in the world with an economy exceeding $1 trillion in output, behind New York City and Tokyo.
There are three contiguous component urban areas in Greater Los Angeles: the Inland Empire, which can be broadly defined as Riverside and San Bernardino counties; the Ventura/Oxnard metropolitan area (Ventura County); and the Los Angeles metropolitan area (also known as Metropolitan Los Angeles or Metro LA) consisting of Los Angeles and Orange counties only. The Census Bureau designates the latter as the Los Angeles–Long Beach–Anaheim metropolitan statistical area (MSA), the fourth largest metropolitan area in the Western Hemisphere and the second-largest metropolitan area in the United States, by population of 13 million as of the 2020 U.S. census. It has a total area of 4,850 square miles (12,561 km2). Although San Diego–Tijuana borders the Greater Los Angeles area at San Clemente and Temecula, it is not part of it as the two urban areas are not geographically contiguous due to the presence of Camp Pendleton.
This brief starts where responsible research should: with the source description of “Greater Los Angeles” as large urban region in the United States. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the general reference register because the source frames it as large urban region in the United States. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 21, 2026. The linked authority identifier is Q1050826. VIAF identifies the subject as 158414380. Authority coordinates are 34.000, -118.000. 2 of 3 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2023 and 2020.
A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Greater Los Angeles”, its source revision and the description used here.
- Expand the search: follow Greater Los Angeles primary sources, Greater Los Angeles archive and Greater research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Greater Los Angeles”?
- Which institution is responsible for the underlying evidence?
- Which cited source is closest to the event, object or claim?
Search terms from this dossier
This entry incorporates text from “Greater Los Angeles” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.