EnglishPrices, safety, weather, nightlife and the top attractions of Postojna and Maribor side by side, plus a verdict for every kind of traveler.
Postojna and Maribor are both safe, walkable Slovenian towns with similar nightlife, food and English. Postojna suits cave lovers, with its Postojna Cave (4.8/5) and Predjama Castle, plus cooler summer days averaging 22.3°C and more nature access (9/10). Maribor is cheaper, with a $40 hotel and $30 backpacker daily budget versus Postojna's $50 hotel and $40 budget. Maribor also has fewer rainy days (88 vs 102) and runs quieter year-round.
MariborMaribor leads in 5 of 18 categories
marks the better value in each row (lower prices, higher scores, fewer crowds).
Pick Postojna if you want a dramatic cave train ride and the fairy-tale Predjama Castle for memorable couple photos. Pick Maribor if you prefer a quieter, wallet-friendly city break with scenic river walks through Lent District.
Pick Postojna if kids will love the underground train through the world-famous Postojna Cave (4.8/5), a guaranteed spectacle. Pick Maribor if you want a calmer, cheaper base with fewer crowds and no busy months to navigate.
Pick Maribor if saving matters. Its $40 hotel and $30 backpacker daily budget beat Postojna's $50 and $40, while meals and beer cost the same. Pick Postojna only if the cave is worth the extra spend.
Both score 6/10 for nightlife with identical food scenes and beer at $2.5, so the data shows no real edge. Pick either based on atmosphere. Maribor is a modest university town; Postojna is smaller and cave-focused.
Pick Postojna for globally known cultural landmarks, the Postojna Cave (4.8/5) and Predjama Castle (4.7/5). Pick Maribor for a genuinely local Slovenian feel, with Maribor Castle, the old Water Tower and Lent District instead of tourist magnets.
Pick Postojna for superior nature access (9/10), the cave park and Rakov Škocjan. Pick Maribor if you prefer hiking on Pohorje Mountain (4.6/5), though its nature score is a notch lower at 8/10.

4.8 (56,910)

4.8 (56,910)

4.8 (56,910)

4.6 (6,087)

4.6 (3,054)

4.6 (1,460)
Postojna and Maribor are about 140 km apart
At roughly 140 km apart, Postojna and Maribor work well as a two-base trip, especially by car, which is the usual way to travel between them. You could spend a couple of nights at the caves and castle, then drive on to Maribor's old town. A day trip is possible but feels rushed for the distance.
Maribor
1 well-reviewed hotels near the center, average guest score 8.8/10
Hotels from about $40 per night
Hotels in MariborMaribor is cheaper across the board. Hotels run $40 versus $50, and daily budgets are $30 (backpacker) and $60 (mid-range) versus $40 and $70 in Postojna. Restaurant meals and beer cost the same, and coffee is only slightly pricier at $1.5.
Maribor wins clearly for budget travellers. A night costs $40 versus $50, and the daily backpacker budget is $30 versus $40. With meals and beer priced identically, the savings stack up quickly, making Maribor the smarter pick for cost-conscious visitors.
Yes, the two cities sit roughly 140 km apart, so they pair well as a two-base Slovenian trip. You can spend a day at Postojna's caves and castle, then move on to Maribor for its old town, or reverse the order and split your nights between them.
Both suit September, which appears on each destination's best months. Maribor extends into October as well, while Postojna's window closes after September. Maribor also brings fewer rainy days (88 versus 102) and milder crowds since it has no very busy months.