

An immense, fast-moving country blending ancient history with ultramodern megacities and a huge expat presence.
AsiaA quick reference for planning your trip: visas, weather, health, and the essentials.
For US passport holders
Visa generally required. Many nationalities qualify for expanded visa-free entry or 144-hour transit; confirm the latest rules for your passport.
Vast and varied: hot humid summers in the south and east, very cold winters in the north.
April to May and September to October for mild, comfortable weather.
No special vaccines required. Hepatitis A and typhoid worth discussing for longer or rural trips.
Very safe for visitors with low violent crime. Be aware of digital payment norms and censorship.
Visa and entry notes here are written for US passport holders on typical short-stay tourism. Requirements vary by nationality, so if you hold a different passport your rules may differ. Guidance can change frequently. Always confirm current requirements with the official embassy, consulate, or a licensed travel-health provider before you travel.
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