Slovenia's spas and how to pick the right one

How many spas Slovenia has

The tourist board groups twelve certified natural health resorts in the national spa association, each with natural healing factors proven for specific conditions. They are Čatež, Olimia, Dobrna, Laško, Terme 3000 at Moravske Toplice, Radenci, Zreče, Ptuj, Dolenjske Toplice, Šmarješke Toplice, Portorož and Strunjan. Beyond that list there are about a dozen other spas and centres, from Rogaška to Lendava.

The statistics show how big the sector is. The tourist board’s Thermal Pannonian Slovenia macro-destination had 1,249,900 arrivals in 2025, according to SURS, and small municipalities such as Moravske Toplice and Podčetrtek rank among the fifteen busiest in the country.

Spas for families

If you’re travelling with children, the two big names are Terme Čatež and Terme Olimia. Čatež, near Brežice, opens 365 days a year and, according to the tourist board, has the largest indoor and outdoor pool complex in Slovenia. Olimia, in Podčetrtek, combines a water park, saunas and prize-winning modern architecture. Terme Ptuj also has a large water park and a Roman-themed wellness centre.

Spas for rest and treatments

Here the names change. Dobrna is Slovenia’s oldest working spa, used for health since 1403. Rogaška is home to Donat Mg, which the tourist board calls the most magnesium-rich water in the world, backed by 400 years of spa tradition. Radenci serves Radenska mineral water at its own spring and has a cardiac rehabilitation centre, while Šmarješke Toplice also focuses on the heart and prevention. Zreče adds Pohorje peat, a mountain remedy.

If you are staying the night, see the best hotel deals in Podčetrtek for your dates: the well-placed rooms go fast.

The most unusual water: black and paraffin

For water you won’t find at home, look at two. Terme 3000, at Moravske Toplice, uses black thermal and mineral water that the tourist board says is the warmest in Slovenia. Terme Lendava works with paraffin thermal water, used for musculoskeletal problems. At Rimske Toplice the draw is history instead, because the Romans built pools there in AD 39.

Seaside and mountain spas

On the coast, thermal water gives way to seawater. LifeClass Portorož claims 800 years of thalassotherapy tradition, Talaso Strunjan uses heated seawater, sea mud and algae inside a landscape park, and Lepa Vida runs open-air treatments right in the Sečovlje salt pans. The mountains have almost nothing, and the tourist board’s one spa in the Julian Alps is at Hotel Cerkno, which draws its water from a 2,000-metre borehole.

So you do not lose the morning at the ticket office, browse tickets and tours in Podčetrtek on GetYourGuide.

How I’d choose

I’d boil it down like this. With children, Čatež or Olimia. For rest, Dobrna or Topolšica. For treatments, Rogaška or Radenci. To combine with the seaside, Portorož. Before you book, check on each spa’s own website what each rate includes, because pools, saunas and treatments aren’t always bundled together.

If you are staying the night, see the best hotel deals in Podčetrtek for your dates: the well-placed rooms go fast.