Some of the most famous beverages from the Chugoku region are:
daisen the water from mount daisen has been bottled by suntory, as well as coke, and can be purchased throughout japan in stores and vending machines.
hiruzen heights, okayama milk from the cows raised in hiruzen heights, it's said to be quite healthy
shimonoseki sake produced with blowfish fugu fins.
takehara popular wine from hiroshima prefecture.
shimaneunique for the usage of persimmons and ginseng
okayama famous for both asahimai and kibi no hana sake.
yamaguchi the specialty wine of yamaguchi city.