Below is the best map we've come across for those interested in the location of Japan's whisky distilleries. Several of the distilleries offer tours, which we highly recommend as they give you a real sense of the pride and precision that goes into producing some of the world's most delicious whiskies!
Here's a link to an excellent site summarising the distilleries and the whiskies they produce:
https://luxniseko.com/japanese-scotch-whisky/
