The story
Named after Californio ranchero Don Guillermo Castro (1810–?).
Etymology from Wiktionary, CC BY-SA 4.0.
Castro Valley
Today it means: A census-designated place in Alameda County, California, United States. Full definition →
Today it means: A census-designated place in Alameda County, California, United States. Full definition →
Named after Californio ranchero Don Guillermo Castro (1810–?).
Etymology from Wiktionary, CC BY-SA 4.0.