Greece
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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Marijuana is illegal in Greece, and penalties for possessing, using, or trafficking any illegal drugs are severe.
Convicted offenders can expect long jail sentences and heavy fines.
§ US State DeptMedications
Carry prescription medication in its original packaging with your doctor's prescription and check with the Greek embassy before travel; medications must be for personal use and approved for use in the United States.
Medicines without proper documentation may be held or cause problems at customs.
§ US State Dept — GreeceWeapons
It is illegal to bring mace, pepper spray, guns, ammunition, or even spent shells or casings into Greece.
These items will be confiscated and police may arrest or detain you.
§ US State DeptCustoms & Cash
Cash of EUR 10,000 or more (or equivalent) must be declared when entering or leaving Greece / the EU.
Undeclared or incorrectly declared cash is subject to penalties and may be detained.
§ EUDriving
Greece's drink-drive limit is 0.5 mg/ml of blood for standard drivers, dropping to 0.2 mg/ml for novice, professional, motorbike and moped drivers.
Over 0.5 mg/ml: 200 euro fine, 5 licence points and a 6-month licence withdrawal; over 0.8 mg/ml rises to 700 euro and more points.
§ European Commission — Road Safety (Greece)Photography & Drones
Unauthorized photography of law enforcement, military personnel, or military installations is prohibited and may lead to arrest, and removing anything (even rocks) from archaeological sites is strictly prohibited.
Arrest possible for unauthorized photography of security/military sites
§ US State Dept — GreeceLGBTQ+ Safety
There are no legal restrictions on consensual same-sex sexual relations; same-sex marriage has been legal since 2024 and anti-discrimination protections apply, though social discrimination persists in rural areas.
§ US State Dept — Greece