Tokyo

Yes, Tokyo's tap water is safe to drink and meets high quality standards.

Visa requirements depend on your nationality. Many countries have visa-free arrangements with Japan for short stays.

Basic English is understood in major tourist areas, hotels, and transportation hubs, but learning a few Japanese phrases is appreciated.

Credit cards are widely accepted in major establishments, but carry cash for smaller shops, temples, and restaurants. ATMs at convenience stores (7-Eleven, Lawson) accept foreign cards.

Free Wi-Fi is available at major stations, convenience stores, and through the 'Japan Free Wi-Fi' app. Many cafes and hotels also offer internet access.

Visa-free for many countries (e.g., US, UK, EU) for stays up to 90 days. Check your nationality.

Limited but common in tourist areas, hotels, and train stations. Signs often have English.

Japanese Yen (JPY). Cash is still king; many small shops and restaurants don't accept cards.

Major cards are accepted in larger stores, hotels, and restaurants, but always carry cash.

Yes, tap water is safe and widely available.

The Narita Express (N'EX) or Keisei Skyliner are fast and convenient. Buses are cheaper.

Very few. Carry a small bag for your trash and dispose of it at convenience stores or stations.

Casual but neat. Avoid overly revealing clothes in temples. Business attire is formal.

Yes, but check roaming charges. Rent a pocket Wi-Fi or buy a local SIM at the airport.

Very safe, even at night. Women travelers generally feel secure.

100V, 50/60Hz. Plugs are Type A (two flat pins). Bring an adapter if needed.

Don't tip, don't blow your nose in public, and don't point with chopsticks.