Detailed map of Asia based on OpenStreetMap data. Map is designed to remain small yet to contain all detailed data. Map contains labels in Unicode, not all GPS support this format.
At the bottom of this page there is attached file with map for PC, both Windows and Mac OSX. Size of installed map is about 1.9GB.
Map for Garmin devices © CC BY-NC 4.0 AP http://www.gmaptool.eu/
Map data credit © OpenStreetMap contributors http://www.openstreetmap.org/copyright
Mapnik TYP GNU GPL v3 https://code.google.com/p/mkgmap-style-sheets/
Map icons CC-0 http://www.sjjb.co.uk/mapicons/
Version 23, January 2017.