Travel Guide
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The most iconic and unmissable experiences this country has to offer.
Carved into the sandstone of the Bock promontory, these 17 kilometres of underground galleries form the surviving heart of Luxembourg City's vast fortification system, first excavated by Spanish engineers in 1644 and later extended by Vauban and the Austrians. The above-ground walls were demolished under the 1867 Treaty of London, but the subterranean passages proved too extensive to destroy safely, leaving an extraordinary labyrinth now open to the public. Together with the old quarters, the casemates form part of the UNESCO World Heritage Site inscribed in 1994.
Vianden Castle is one of the largest feudal residences from the Romanesque and Gothic periods in Western Europe, built between the 11th and 14th centuries on the site of a Roman castellum and a Carolingian refuge. After falling into ruin in the 19th century it passed to the state in 1977 and has since been meticulously restored, with around 22 rooms open to visitors. The castle stands above the Our river valley and is consistently the most visited tourist attraction in Luxembourg.
Health & Safety
Before you travel check that: your destination can provide the healthcare you may need you have appropriate travel insurance for local treatment or unexpected medical evacuation This is particularly important if you have a health condition or are pregnant. Emergency medical number Dial 112 and ask for an ambulance. If you ask for a SAMU (‘Service d’Aide Medicale Urgente’), a doctor will come with an ambulance. Contact your insurance company quickly if you’re referred to a medical facility for treatment. Vaccine recommendations and health risks At least 8 weeks before your trip: check the lates
Full health advice (FCDO) →Health information sourced from UK FCDO. Always consult a travel health professional before departure.
Practical Info
Travel Guide
Entry requirements vary by passport. Check the requirements for your specific passport on the Luxembourg page at Yoogo.
Luxembourg uses the Euro (EUR), and card payments are widely accepted in hotels, restaurants, shops, and most tourist attractions throughout the country. It is still advisable to carry a small amount of cash for markets, rural cafes, and tipping purposes.
Luxembourg consistently ranks among the safest countries in Europe, with a very low rate of violent crime. The most common issues affecting visitors are petty theft such as pickpocketing at train stations and busy tourist areas, so standard precautions with valuables are sensible.
Luxembourg consistently ranks among the safest countries in Europe, with a very low rate of violent crime. The most common issues affecting visitors are petty theft such as pickpocketing at train stations and busy tourist areas, so standard precautions with valuables are sensible.
All public transport within Luxembourg, including trains, buses, and trams, has been free of charge since March 2020, making it one of the easiest and most affordable countries to navigate without a car. Luxembourg City is served by an expanding tram network, and CFL trains connect the capital to the main towns, with cross-border services to Belgium, France, and Germany available for an additional fare.
Late spring (May to June) and early autumn (September to October) offer the most pleasant combination of mild temperatures, long daylight hours, and manageable crowds at major attractions. Summer (July to August) is the busiest period, particularly in Luxembourg City and Vianden, while winter brings atmospheric Christmas markets to the capital.
Late spring (May to June) and early autumn (September to October) offer the most pleasant combination of mild temperatures, long daylight hours, and manageable crowds at major attractions. Summer (July to August) is the busiest period, particularly in Luxembourg City and Vianden, while winter brings atmospheric Christmas markets to the capital.
Luxembourg has three official languages: Luxembourgish, French, and German, and most residents speak all three alongside English, particularly in the capital and tourist areas. Attempting a few words of Luxembourgish (Moien for hello, Merci for thank you) is warmly received by locals.
No vaccinations are required to enter Luxembourg, and the country presents no significant tropical disease risks. Travellers are generally advised to ensure routine immunisations are up to date before any international trip, and to consult their own healthcare provider for personalised advice.
Known as Luxembourg's Little Switzerland, the Mullerthal region in the east of the country features dense beech forests, rushing streams, and dramatic sandstone formations shaped by millions of years of erosion into narrow ravines, arches, and caves. The 112-kilometre Mullerthal Trail, awarded the European Ramblers' Association's 'Leading Quality Trail' designation, winds through the most spectacular landscapes. The Natur- and Geopark Mellerdall received UNESCO Global Geopark status in 2022, recognising its exceptional geological heritage.
Luxembourg's multicultural second city, where industry meets culture
Tipping is not obligatory in Luxembourg, as service charges are included in prices by law and staff receive standard wages. Rounding up the bill or leaving 5 to 10 per cent in a restaurant is a common and appreciated gesture for good service, and it is customary to hand cash tips directly to the server rather than adding them to a card payment.
Luxembourg has excellent mobile coverage across the country, with near-total 4G and growing 5G availability even in rural and forested areas such as the Mullerthal. Visitors with a compatible device can activate a travel eSIM before departure through providers such as Airalo, which offer short-term data plans covering Luxembourg and broader European networks.
Luxembourgers tend to be reserved and formal in initial interactions, and punctuality is valued in both social and business settings. Public spaces are kept tidy and quietly conducted, so keeping voices low in restaurants, churches, and public transport is appreciated by locals.