aja City Resort Spa is a modern hotel wellness facility spread across 600 square metres in the Altstetten district of Zürich, offering a well-rounded urban retreat for relaxation and fitness. The sauna landscape includes a Finnish panorama sauna with panoramic views over the city, a bio sauna, and a steam bath, complemented by an ice fountain, speciality showers, and a dedicated relaxation room. Massage and cosmetic treatments are available at the in-house NIVEA House, with services including body scrubs, pedicures, and manicures. A fully equipped 24-hour gym and regular rooftop yoga classes round out the wellness programme, ensuring guests can maintain their routines alongside deeper relaxation. Open daily with extended weekend hours, the spa is an accessible and well-priced destination for both hotel guests and external visitors looking for a quality wellness experience in Zürich.