Gunma Prefecture is Japan's hot spring capital, mountain playground, and silk heritage land — a landlocked prefecture north of Tokyo where volcanic peaks, therapeutic onsen, pristine highland forests, and the UNESCO World Heritage Tomioka Silk Mill define a destination unlike anywhere else in Japan.
Current safety advisory
Generally Safe With Normal Precautions
Essential safety tips
Practical advice that applies everywhere.
Keep copies of important documents (passport, insurance) in separate locations.
Stay aware of your surroundings, especially in crowded areas and tourist hotspots.
Use registered taxis or rideshare apps. Avoid unmarked vehicles offering rides.
Trust your instincts — if a situation feels wrong, remove yourself from it.
Safety for specific travellers
Tailored advice for different groups.