Explore Luxembourg — eSIM Data Plans & Travel Guide
Travel guide for Luxembourg with instant eSIM data plans from DataOnly. No SIM swapping, no roaming fees.
Must-see in Luxembourg
Bock Casemates
A UNESCO-listed underground defense network of atmospheric stone tunnels carved directly into the sheer cliffside above the Alzette River.
Chemin de la Corniche
A breathtaking promenade perched along 17th-century ramparts, celebrated as 'the most beautiful balcony of Europe' overlooking the fairy-tale Grund district.
Vianden Castle
One of Europe's largest and most majestic feudal residences, dramatically perched on a forested promontory high above the Our River.
Local food to try in Luxembourg
Judd mat Gaardebounen
Smoked pork collar simmered tender and served with broad beans in a velvety cream sauce, widely hailed as Luxembourg's national dish.
Gromperekichelcher
Crispy fried potato pancakes seasoned with minced onions, parsley, and garlic, often served hot with sweet applesauce.
Quetschentaart
Delicate, flaky plum tarts made with local damson plums, a beloved seasonal treat baked across patisseries every autumn.
Practical tips for Luxembourg
- All standard public transport nationwide—trains, trams, and buses—is 100% free for everyone, making exploring effortless without ever buying a ticket.
- Luxembourg uses the Euro (€); cards and contactless payments are accepted almost everywhere, though holding small cash coins is helpful for local market stalls.
- Luxembourg is one of the safest countries in the world, but take normal precautions around late-night train stations and watch your step along steep stone ramparts.
Fun fact about Luxembourg
Luxembourg is the only remaining sovereign Grand Duchy in the world, headed by a constitutional monarch titled the Grand Duke.
Luxembourg eSIM data plans
- 2 GB for 15 days — $9.10
- 3 GB for 30 days — $11.20
- 10 GB for 30 days — $26.60
- Unlimited for 5 days — $26.60
- Unlimited for 30 days — $96.60