On this page you will find links to maps of Japan. Most of the maps are large, so be patient while downloading. The size (i.e. small, medium, large) refers to the size (Kb), quality and detail level of a map.
Mapmatrix offers free and very detailed city maps of Tokyo, Japan (city map, region map & subway plan) in pdf-format. Follow the html link of a map and in the next screen click on the ‘download free map link’ (most maps are larger than 4MB, so be please patient). You can download a pdf-reader here. If you like their maps and want more free maps in the future, you can support them by donating money (PayPal).