Cal. Elec. Code § 338.6

“Precinct” means a geographical area within a county that is made up of voters and is formed pursuant to Chapter 3 (commencing with Section 12200) of Division 12. All voters from the same precinct are assigned to a specific polling place for an election. In an election conducted using vote centers, eligible voters from any precinct within the county can use any vote center located within the county.