#thermal baths
- Acâș — A commune and village center in Satu Mare County, Transylvania, Romania, situated along the Crasna River. The locality is historically renowned at national and European levels for its early Romanesque style church (13th century), originally built as a Benedictine monastery, as well as for its thermal spa resort featuring iodized waters used in therapeutic treatments.
- Aquae — A term of Latin origin (the plural of 'aqua') used in Roman antiquity to designate towns, spa resorts, or urban settlements renowned for their thermal or mineral springs; on the territory of Roman Dacia, the name referred to the prominent settlement of Aquae (modern-day Călan), structurally recognized for its rock-carved basins and the therapeutic properties of its waters.