According to GTA Wiki, Rockstar added 15 areas where collectibles could appear randomly. Each area also has 5 possible locations where the cache can be stored. The names of the 15 areas are as follows:Legion Square - Downtown, Los Santos Vespucci Beach skate park El Burro Boulevard/Elysian ...
There are 15 possible spawn locations for the cache. Each spawn location has five potential stash spots. Ref Number Location Description Maps Stash Image x5 01 Legion Square. 02 Vespucci Beach skate park. 03 Jay & SonEl Burro Boulevard/Elysian Fields FreewayEl Burro Heights. 04 Mirror ...