Castro Valley is a census-designated place in Alameda County, California, United States.
As of the 2000 census, it is the fifth most populous unincorporated area in California, and the twenty-third in the United States. The population was 61,388 at the 2010 census.
Castro Valley, CA APP玩不用錢
Castro Valley, CA玩免錢App
|香港 Hong Kong||Windows|