Spas with hot tub in Slovenia

Bled, Upper Carniola

Family water park and spa in Bohinjska Bistrica near Bled, with a recreational pool, sauna park, salt room and a menu of massages and facials.

Portorož, Coastal-Karst

Thermal baths and seawater pools in Portorož, open daily 7am–9pm with walk-in day passes and a large sauna park.

Rogaška Slatina, Savinjska

Wellness center at Grand Hotel Rogaška in Rogaška Slatina, Slovenia, with pools, saunas and fitness; day pass available by reservation.

Brežice, Posavje

Adults-only sauna world at Terme Čatež in Brežice with multiple saunas, a herb garden and warm pools, run on a clothing-optional basis.