This map is one of the 18 large hex maps which constitute the Judges Guild Wilderlands setting.
Map 11 contains the jungle-filled peninsula and the many islands in ocean near the city of Ghinor. The map itself accompanies the Wilderlands of the Magic Realm product. See that product for more details.
Map 11 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.