http://forums.rptools.net/viewforum.php?f=8 (http://forums.rptools.net/viewforum.php?f=8)
Some more, credits to the author https://www.reddit.com/user/mrvalor , reddit post linked:
https://www.reddit.com/r/Pathfinder_RPG/comments/bon9pu/map_dump_hundreds_and_hundreds_of_free_fantasy_oc/