
How to Choose an eSIM Based on Trip Length: From a Weekend to Months Abroad
A practical eSIM selection framework by trip duration: how much data you need, which validity periods make sense, and when regional or global plans are worth it.

Alpine lakes, medieval towns, karst caves, and an Adriatic coastline – all in one compact country.
Everything you need to know before traveling
May - September
€ (EUR)
Slovenian, English
Type C, Type F (230V, 50Hz)
Ljubljana
Right-hand traffic
Lakes and Alps, caves and charming cities – a compact trip where everything is close by.
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Answers to the most popular travel questions
Slovenia is part of the Schengen Area. EU, US, UK, Canadian, and Australian citizens can enter visa-free for up to 90 days. Citizens of other countries may need a Schengen visa.
A minimum of 4-5 days for the main highlights: Ljubljana (1 day), Lake Bled and Bohinj (1-2 days), Postojna and Škocjan Caves (1 day), coastal Piran (1 day). For a full trip including hiking and the Soča Valley, plan 7-10 days.
Slovenia is cheaper than Austria and Italy but pricier than Croatia and the Balkans. Average budget: €80-120 per day per person (accommodation, food, transport, attractions). Restaurant lunch: €10-15, cappuccino: €2-3, Postojna Cave entry: €28.
Renting a car is the best option. The country is small – everything is within a 2-3 hour drive. Roads are excellent, but you need a vignette (€15/week) for motorways. Buses and trains work too, but schedules are limited outside major cities.