Title: 10 TOP Things to Do in Postojna January 2026 | Expedia.co.uk [Postojna Travel Guide](https://expedia.co.uk/Postojna.dx5836)[Hotels in Postojna](https://expedia.co.uk/Postojna-Hotels.d5836.Travel-Guide-Hotels)[Flights to Postojna](https://expedia.co.uk/Cheap-Flights-To-Postojna.d5836.Travel-Guide-Flights)[Postojna Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Postojna.d5836.Car-Hire-Guide)[Postojna Holidays](https://expedia.co.uk/Postojna.d5836.Holidays-City-Breaks) # What to do in Postojna ## Activities, attractions and tours ## Visit Postojna Types of activities [Postojna travel guide](https://expedia.co.uk/Postojna.dx5836) ![Predjama Castle featuring heritage architecture and a coastal town](https://images.trvl-media.com/place/6119808/c289b8b9-350c-4858-812d-81027cb8df2f.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Predjama Castle featuring heritage architecture and a coastal town](https://images.trvl-media.com/place/6119808/c289b8b9-350c-4858-812d-81027cb8df2f.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Postjona Caves featuring caves](https://images.trvl-media.com/place/6119806/485c5f63-215e-4bec-9a32-fa99ae9243c5.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Predjama Castle which includes heritage architecture, mountains and chateau or palace](https://images.trvl-media.com/place/6119808/9c74d13e-dd5c-4788-9223-487e9deadc89.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ![Postjona Caves featuring caves](https://images.trvl-media.com/place/6119806/5094e47b-9e37-4b1a-8a57-4ea5f9855681.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh) ## Postojna Attractions Let Expedia help you to experience the best that Postojna has to offer! If you’re planning a trip to Postojna, we can provide you with a list of the top sightseeing attractions, as well as helping you to find unmissable activities. Whether you’re travelling to Postojna with your family, planning a romantic trip with your loved one, or visiting on business, we’ll make it easy to plan an unforgettable holiday that checks all the boxes. #### Places of interest in Postojna Postojna is crammed with must-see places to visit and things to do. We can help you decide where to stay in Postojna, and make it a breeze to explore Postojna and the surrounding areas with our guides on where to go, what to see and when to see it. No matter how long your stay, it’s easy to find places of interest in Postojna to make sure that you enjoy your holiday to the fullest and don’t miss a thing. Leave the local knowledge to us and leave the hassle behind. If you’re planning a visit to Postojna, why not check out our handy guides to places of interest in the area? You can browse lists of things to do, learn about the most popular attractions, and get help with planning the details of your trip. Expedia makes it easy for you to check out all the top sights in Postojna. #### Postojna attractions Postojna has something for everyone, so whether you’re planning to get active on a summer holiday, put a spring in your step with a romantic rendezvous, or pamper yourself with a leisurely winter trip, you’ll find plenty of attractions in Postojna to keep you entertained. Expedia makes it easy to book your flight, hotel and rental car in advance, making for hassle-free travel and freeing you up to explore the sights of Postojna. Looking for things to do in Postojna can be time-consuming, but we can take the hassle out of planning your holiday. Whether you’re looking to get active in the great outdoors, sample the cuisine of Postojna or catch up with the vibrant local culture, our guides to Postojna attractions ensure that you’ll have a successful trip, whatever the season. Happy trails! --- - ![find price illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__find_price.svg) ### Explore activities Explore thousands of experiences from activities and attractions to day tours and transfer. - ![calendar shield illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__calendar_shield.svg) ### Book with ease Skip the line- book tickets online in minutes to top attractions with free cancellation on many activities. - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Treat yourself One Key members save % or more on select activities, hotels, cars and holiday rentals. [Learn about One Key](https://www.expedia.co.uk/welcome-one-key) --- ## Top places to visit ### 1\. 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 ](https://www.expedia.co.uk/Postjona-Cave-Postojna.d6119806.Attraction) ![Postjona Caves showing caves](https://images.trvl-media.com/place/6119806/763baf4d-5c32-4499-a47a-6c500036a2d8.jpg) ### 2\. 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 ](https://www.expedia.co.uk/Piazza-Unita-DItalia-Trieste-City-Centre.d6103400.Attraction) ![Piazza dell\'Unita which includes an administrative building, heritage architecture and general coastal views](https://images.trvl-media.com/place/6103400/235a14fe-3983-4c47-8347-90adc1238713.jpg) ### 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 ](https://www.expedia.co.uk/Ljubljana-Castle-Ljubljana-City-Centre.d6119762.Attraction) ![Ljubljana Castle showing forest scenes and a castle](https://images.trvl-media.com/place/6119762/92941c43-833c-474d-8a86-d4f50632c44a.jpg) ### 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 ](https://www.expedia.co.uk/Canal-Grande-Di-Trieste-Trieste-City-Centre.d553248621562150834.Attraction) ![Trieste showing heritage architecture, a pond and night scenes](https://images.trvl-media.com/place/553248621562150834/8eb3d2ba-6a66-4594-9bb1-7423eb2acc65.jpg) ### 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 ](https://www.expedia.co.uk/Predjama-Castle-Postojna.d6119808.Attraction) ![Predjama Castle showing heritage architecture](https://images.trvl-media.com/place/6119808/1f682c2b-b561-4aeb-bffa-31e53b9a81d3.jpg) ## Recommended things to do in Postojna | Number of things to do | 39 | | ------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Cheapest thing to do on Expedia | [Wine Tasting with Cold Cuts](/things-to-do/wine-tasting.a1062821.activity-details): £26 | | Top 5 things to do | [Postojna cave, Predjama castle and Piran tour from Ljubljana](/things-to-do/postojna-cave-predjama-castle-and-piran-tour-from-ljubljana.a2925381.activity-details)[Postojna Cave & Predjama Castle from Koper](/things-to-do/postojna-cave-predjama-castle-from-koper.a1677357.activity-details)[Postojna Cave and Predjama Castle - Entrance Tickets Included](/things-to-do/postojna-cave-and-predjama-castle-entrance-tickets-included.a1114184.activity-details)[Postojna Cave & Predjama Castle - Small Group Tour from Trieste](/things-to-do/postojna-cave-predjama-castle-small-group-tour-from-trieste.a1677400.activity-details)[Wine Tasting with Cold Cuts](/things-to-do/wine-tasting.a1062821.activity-details) | | Half-day tours | [Wine Tasting with Cold Cuts](/things-to-do/wine-tasting.a1062821.activity-details) | | With kids | [Postojna cave, Predjama castle and Piran tour from Ljubljana](/things-to-do/postojna-cave-predjama-castle-and-piran-tour-from-ljubljana.a2925381.activity-details)[Postojna Cave and Predjama Castle - Entrance Tickets Included](/things-to-do/postojna-cave-and-predjama-castle-entrance-tickets-included.a1114184.activity-details)[Škocjan Caves and the city of Piran from Ljubljana](/things-to-do/skocjan-caves-and-karst-region-secrets-of-unesco-heritage-from-ljubljana.a1884896.activity-details)[Postojna Cave and Predjama Castle Tour from Ljubljana](/things-to-do/postojna-cave-and-predjama-castle-tour-from-ljubljana.a5103944.activity-details)[Highlights of Slovenia - Postojna & Bled (Tickets included)](/things-to-do/private-tour-postojna-cave-and-predjama-castle-entrance-tickets-included.a1884888.activity-details) | ## What to do in Postojna --- ### Popular places to visit ![Postjona Caves featuring caves](https://images.trvl-media.com/place/6119806/0aa5ebee-dc8a-4ff8-a03b-db0aa342e4e5.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Postjona Cave 4.5/5(32 reviews) Admire the stunning formations sculpted by natural forces in this brightly lit maze of caves and follow the tunnel to a mysterious cliff-top castle. [](https://expedia.co.uk/Postjona-Cave-Postojna.d6119806.Attraction) ![Predjama Castle showing heritage architecture](https://images.trvl-media.com/place/6119808/1f682c2b-b561-4aeb-bffa-31e53b9a81d3.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Predjama Castle 4.5/5(31 reviews) Reach this elegant Renaissance castle via a secret tunnel and learn the legend of the rebel baron who resided in the largest cave castle in the world. [](https://expedia.co.uk/Predjama-Castle-Postojna.d6119808.Attraction) #### Pustolovski Park You can take time to visit Pustolovski Park during your travels to Postojna. Wander the forests or discover the area's countryside. [](https://expedia.co.uk/Pustolovski-Park-Postojna.d553248621532514215.Attraction) #### Pivka Jama Commune with nature and explore the great outdoors at Pivka Jama during your travels in Postojna. Wander the forests or discover the area's countryside. [](https://expedia.co.uk/Pivka-Jama-Postojna.d553248621532514214.Attraction) --- Looking for fun things to do nearby? Check [things to do near me](https://www.expedia.co.uk/things-to-do-near-me) to find and book the best things to do, fun activities, and top attractions wherever you happen to be. --- ## Day trip destinations from Postojna ![Vremska valley, Inner Carinola, Slovenia, view from Vremščica plateau.](https://images.trvl-media.com/place/6199785/d2086789-cdbf-46e5-bb57-04ea2dace4a3.jpg?impolicy=fcrop&w=512&h=288&q=medium) [Photo](https://creativecommons.org/licenses/by-sa/3.0) by [Yerpo](//commons.wikimedia.org/wiki/User:Yerpo) ([Creative Commons Attribution-Share Alike 3.0](https://creativecommons.org/licenses/by-sa/3.0)) ### Divaca ![location is where photo was taken](https://images.trvl-media.com/place/3000019065/6f8b139d-f8bd-4752-af15-3ce3e8e6af6d.jpg?impolicy=fcrop&w=512&h=288&q=medium) ### Ajdovščina ## Frequently asked questions ### Is Postojna worth visiting? ### How do I spend a day in Postojna? ### What is the top tourist attraction in Postojna? ### Is three days enough to stay in Postojna? ### What are some activities to do in Postojna with kids? > - [Postojna cave, Predjama castle and Piran tour from Ljubljana](https://expedia.co.uk/things-to-do/postojna-cave-predjama-castle-and-piran-tour-from-ljubljana.a2925381.activity-details) > - [Postojna Cave and Predjama Castle - Entrance Tickets Included](https://expedia.co.uk/things-to-do/postojna-cave-and-predjama-castle-entrance-tickets-included.a1114184.activity-details) > - [Škocjan Caves and the city of Piran from Ljubljana](https://expedia.co.uk/things-to-do/skocjan-caves-and-karst-region-secrets-of-unesco-heritage-from-ljubljana.a1884896.activity-details) > - [Postojna Cave and Predjama Castle Tour from Ljubljana](https://expedia.co.uk/things-to-do/postojna-cave-and-predjama-castle-tour-from-ljubljana.a5103944.activity-details) > - [Highlights of Slovenia - Postojna & Bled (Tickets included)](https://expedia.co.uk/things-to-do/private-tour-postojna-cave-and-predjama-castle-entrance-tickets-included.a1884888.activity-details) ### What to do in Postojna for adults? 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