Things to do in Postojna

Find and book activities, attractions and tours

Predjama Castle featuring heritage architecture and a coastal town
Predjama Castle featuring heritage architecture and a coastal town
Postjona Caves showing caves
Predjama Castle which includes heritage architecture, mountains and chateau or palace
Postjona Caves featuring caves

Postojna Attractions

They say the best things come in small packages, and this alluring city is no exception to the rule. From top tourist attractions to thrilling excursions, there's a wealth of fun things to do in Postojna.

Discover the best sights in Postojna with some unique tours & day trips, or try out our list of {39 fun activities in Postojna fun activities in Postojna}. We have no booking fees as well as free cancellation, so you can rest easy and concentrate on planning the ultimate vacation.


  • find price illustration

    Explore activities

    Explore thousands of experiences from activities and attractions to day tours and transfer.
  • calendar shield illustration

    Book with ease

    Skip the line- book tickets online in minutes to top attractions with free cancellation on many activities.
  • trophy illustration

    Treat yourself

    One Key members save % or more on select activities, hotels, cars and vacation rentals.

Postojna must see attractions

1. Piazza Unita d'Italia

Piazza dell’Unità (or Piazza dell'Unità d’Italia) is a huge sea-facing square and a magnificent accomplishment of civic pride. Once a location for extravagant processions and celebrations, today a combination of landmark architecture and cultural events continue to make it the city’s pulsating heart. Designed by Giuseppe Bruni, Piazza dell'Unità is enclosed on three sides, with one open side looking out over the Gulf of Trieste. Visit the square to appreciate its architecture, attend concerts and enjoy people-watching opportunities.
Learn more
Piazza dell\'Unita showing general coastal views, a square or plaza and heritage architecture

2. Postjona Cave

The Postojna Cave is an intricate network of tunnels decorated by stalagmites and other natural features. An electric train runs through the intriguing passageways, which lead deep into the hillside before opening up at the site of a magnificent Renaissance castle.
Learn more
Postjona Caves showing caves

3. Ljubljana Castle

Tour Ljubljana Castle (Ljubljanski grad), an iconic city landmark and a place to discover centuries of Slovene history. Perched atop the wooded Castle Hill, the castle rises above Ljubljana’s medieval Old Town with a mishmash of defensive walls, towers and turrets. Much of the complex dates to the 16th century but evidence suggests that there has been a castle here since the 12th century. In its long history Ljubljana Castle has served as a garrison, prison and royal residence.
Learn more
Ljubljana Castle showing forests and chateau or palace

4. Canal Grande di Trieste

Whether you explore Canal Grande di Trieste by boat or on foot, there is no more unique way to discover the city. The waterway, which originates from the Gulf of Trieste, flows into the city center. Use it as a jumping off point to discover the picturesque surrounding neighborhood, Borgo Teresiano.
Learn more
Trieste showing a pond, night scenes and heritage architecture

5. Predjama Castle

Predjama Castle is a fascinating Renaissance relic embedded in the mouth of a cave. Dating back to the 13th century, the castle seems like something out of a dark fairy tale with its fortress-like façade, hidden passageway and historic legend. Learn the history of the structure as you traverse its eerie interior.
Learn more
Predjama Castle featuring heritage architecture

What to do in Postojna

Things to Do in Postojna with Kids

Taking some time off with the youngsters? There are loads of activities in Postojna that'll keep your little adventurers entertained. Take a peek at these family friendly experiences:


 

Looking for sports, concerts, or theater events in Postojna? Search event tickets to see what's happening today, or to plan what to do this weekend!

 


 


Discover the most popular places to visit in Postojna


 

Looking for fun things to do nearby? Check things to do near me to find and book the best things to do, fun activities, and top attractions wherever you happen to be.

 


 

Frequently asked questions

Is Postojna worth visiting?
Offering a mix of walking trails and hiking, there's no shortage of things to do in Postojna. While you're here, head to Pivka Jama, a top attraction in the area.
How do I spend a day in Postojna?
Start your day with a visit to Pivka Jama and Planina Cave. Then, check out different parts of Postojna for local restaurants and some shopping.
What is the top tourist attraction in Postojna?
Don't leave without visiting Pivka Jama, ranked the top tourist attraction in Postojna.
Is three days enough to stay in Postojna?
Three days will be plenty of time to tick off the leading city attractions, like Pivka Jama, Planina Cave and Proteus Vivarium. The average stay in Postojna is two days. If you have the time to extend your escape, Ljubljana isn't far away.
What are some activities to do in Postojna with kids?
Whether you're vacationing with tiny adventurers or hard-to-please teens, a fun-filled itinerary takes your trip to the next level. Take a look at our ideas for what to do in Postojna with kids.

What to do in Postojna for adults?
There are loads of things to do in Postojna, with experiences for adults of all ages. Finish your day off at Lake House Museum.
Are there free things to do in Postojna?
There are lots of fun things to do in Postojna. Stroll through the parks or join in on free events and festivals. Postojna offers loads of budget-friendly experiences that let you discover this area without reaching for your wallet.