Shinjuku/Ginza/Shibuya; Osaka Shinsaibashi/Umeda; Fukuoka Tenjin/Hakata. Drugstores often offer tax-free counters with passport — thresholds vary.
Eligible visitors can shop tax-free at participating stores subject to minimums and packaging rules. Confirm at checkout; keep receipts until departure.
Gotemba and others near Tokyo; also Kansai/Nagoya. Weekdays are calmer.