Cal. Pub. Resources Code § 80060
For purposes of this chapter, "district" means any regional park district, regional park and open-space district, or regional open-space district formed pursuant to Article 3 (commencing with Section 5500) of Chapter 3 of Division 5, any recreation and park district formed pursuant to Chapter 4 (commencing with Section 5780) of Division 5, or any authority formed pursuant to Division 26 (commencing with Section 35100). With respect to any community or unincorporated region that is not included within a district, and in which no city or county provides parks or recreational areas or facilities, "district" also means any other entity, including, but not limited to, a district operating multiple-use parklands pursuant to Division 20 (commencing with Section 71000) of the Water Code.
Ca. Pub. Res. Code § 80060