Alta California
geographical name
Al·ta California
ˈal-tə
former Spanish and Mexican province (1772–1848) comprising the present state of California
—a name chiefly used to differentiate it from Baja California
Cite this Entry
“Alta California.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Alta%20California. Accessed 9 Oct. 2026.
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