Body Slim & Detox Weight Loss Retreat at Grand Hotel Rogaska, Slovenia

Grand Hotel Rogaška sits in a wooded valley in eastern Slovenia, about 90 minutes' drive from Ljubljana or Zagreb airports. The building is one of the old spa houses — high ceilings, long corridors, a colonnade linking it to the medical centre and the glass-walled Mineral Water Pavilion where guests queue with their glasses each morning. The Rogaška Riviera thermal complex, with indoor and outdoor pools, is a short walk away and free to enter between April and October.

The Body Slim programme runs on a fixed daily rhythm. Mornings start with the drinking cure before breakfast, then a morning snack mid-morning, lunch, an afternoon snack and dinner — all from a specially prepared menu rather than a buffet. Between meals the day is booked with treatments: a 50-minute seaweed body peel and wrap, 20-minute detox baths, anti-cellulite massages, aroma wraps and pressotherapy lymph drainage, plus one 50-minute deep tissue massage. The full list is fixed for the week, not chosen à la carte.

Exercise is optional but scheduled. The hotel runs daily yoga classes, aqua aerobics, guided Nordic walking and general fitness sessions, and there's a fitness centre on site. You're not obliged to attend everything, but the programme works best if you do — most guests combine the classes with the drinking cure and treatments, then use the sauna and steam room in the late afternoon.

What separates this from a generic European spa week is the Donat Mg water itself. It's high in magnesium and acts as a natural laxative, and the clinic frames it as replacing the minerals and electrolytes lost as fat and protein break down. Your balneologist sets the volume you drink; the staff at the pavilion track it with you. That combination of supervised water therapy, measured body composition change and a set diet is the point of the week, and the reason people come back to Rogaška rather than a hotel spa elsewhere.

The Top Slim programme, which swaps the standard slimming plan for intermittent fasting, is offered as an alternative for guests who prefer that approach — worth asking about at booking if you already fast. Upgrades from the premium double room to a premium suite are also available.

What's included

- 7 nights' accommodation in a premium double room at the 4-star superior Grand Hotel Rogaška - Specially prepared body slim menu: breakfast, morning snack, lunch, afternoon snack and dinner daily - General consultation at the start of the programme - Bio-impedance body composition analysis at the beginning and end of the programme - 1x body peeling and slimming seaweed pack (50 min) - 2x detox bath (20 min) - 3x anti-cellulite massage (20 min) - 3x aroma wrap deep cleansing therapy (40 min) - 2x lymph drainage / pressotherapy (20 min) - 1x deep tissue medicine massage (50 min) - Thrice-daily Donat Mg drinking water therapy at the Mineral Water Pavilion - Daily yoga, aqua aerobics, Nordic walking and general fitness classes - Full use of the hotel's wellness facilities: indoor thermal pool, infra-red sauna, steam room, relaxation room and fitness centre - Free entry to the Rogaška Riviera indoor and outdoor thermal pools (April–October) - Bottle of natural mineral water Donat Mg on arrival - Personalised travel app with itinerary, documents, offline maps and flight alerts - Free eSIM for data on arrival

What's not included

- International flights - Airport transfers (can be arranged at extra cost) - Travel insurance - Personal expenses and gratuities - Additional spa or beauty treatments not listed - Room upgrade to a premium suite (available at a supplement) - Drinks outside the programme menu