Vietnam
The laws most likely to catch a visitor off guard. What is legal at home can be a serious crime here — each rule links to its official source.
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Vietnam punishes drug possession, use, and trafficking severely — up to the death penalty — and police raid nightspots to drug-test everyone present, filing charges on a positive test even if you used the drug before arriving.
Long sentences up to the death penalty
§ U.S. Department of State — VietnamCustoms & Cash
Vietnamese law prohibits the export of antiques, and Customs may seize items without compensation, with the definition of 'antique' applied arbitrarily.
Seizure of goods on departure; keep receipts/Ministry of Culture confirmation for valuables.
§ US State DeptEntering or leaving Vietnam you must declare to border customs if you carry more than US$5,000 (or equivalent foreign currency) or more than VND 15,000,000 in cash.
Undeclared cash over the threshold can be seized and penalized.
§ State Bank of Vietnam — Circular 15/2011/TT-NHNN (Vietnam Trade Portal)Imports & Customs
Vietnamese law prohibits exporting antiques; rules are vague and unevenly enforced, and customs may seize items they deem antique without compensation.
Seizure without compensation
§ US State Dept — VietnamVaping / E-cigs
Vietnam bans e-cigarettes and heated tobacco — production, trade, import and use — nationwide since 2025; using one now carries a VND 3–5 million fine.
Fine of VND 3–5 million for users, effective 31 Dec 2025 (Decree 371/2025/ND-CP).
§ Viet Nam Government Portal (baochinhphu.vn)Photography & Drones
Photographing near military bases or anything perceived as of military/security interest in Vietnam may bring questioning, fines, or delayed travel.
Questioning by authorities, fines, or delayed travel
§ US State Dept — VietnamLGBTQ+ Safety
There are no legal restrictions on same-sex sexual relations or attending LGB events in Vietnam.
§ US State Dept — Vietnam