Located in the Styria (Štajerska) region, renowned for its white wines, Maribor offers a myriad of excellent vineyards and wineries for tours and tastings. Here are a few recommendations:

Vinag Wine Cellar: Nestled in the heart of Maribor, Vinag boasts one of the largest and oldest wine cellars in Europe. Its extensive network of tunnels, extending 2.5 km, can accommodate up to 5.5 million liters of wine. They offer guided tours and tastings.

The Old Vine House: A landmark of Maribor, it houses the world’s oldest vine. Here, you can sample wines from across the Maribor wine region, including the exclusive wine produced from the Old Vine itself.

Dveri Pax Winery: Situated slightly outside Maribor in the town of Jarenina, this winery marries centuries-old tradition with contemporary winemaking techniques. They provide tours of their historic cellars and tastings of their diverse range of wines.

Ptujska Klet Winery: A short drive from Maribor takes you to Ptuj, home to Slovenia’s oldest winery with a winemaking tradition spanning over 700 years. They offer tours and tastings, and also host a wine museum.

Radgonske Gorice: Located in Gornja Radgona, this winery is celebrated for its sparkling wines, produced via the traditional method of secondary fermentation in the bottle. Their guided tours include a visit to their wine cellars and tastings of their sparkling and still wines.

Always check the wineries’ websites or contact them directly to confirm opening hours and availability of tours and tastings, as reservations might be required. Also, remember that drinking and driving is not just dangerous but illegal. Ensure you have a designated driver or arrange transportation if you’re planning multiple tastings.