This map is one of the 18 large hex maps which constitute the Judges Guild Wilderlands setting.
Map 16 contains the southern lands closest to the Demon Empires. The map itself accompanies the Wilderlands of the Fantastic Reaches product. See that product for more details.
Map 16 of 18
Note: these pdfs are scans of 20-year old maps originally on brown paper. Some scans may contain blotched or dark sections or extraneous pencil or pen marking. They are the best scans available of these old products.