#springs

• Aegeria — A nymph or aquatic divinity in Roman mythology, revered as a goddess of springs, childbirth, and prophetic wisdom, historically associated with the sacred grove of Aricia and the spring near Porta Capena in Rome. According to founding legends, she was the secret advisor and mystical wife of King Numa Pompilius, dictating the religious laws and sacred rituals that laid the foundations of the early Roman state's theocratic structure.
• Aguascalientes — A federal state located in the north-central region of Mexico, as well as the name of its capital city, widely recognized for its intense industrial activity, historic vineyards, and the natural hot springs that gave it its name (meaning 'hot waters' in Spanish). It represents a major logistical and cultural hub within the Mexican economic infrastructure.
• Antsirabe — The third-largest city in Madagascar, located in the central highlands (Vakinankaratra region), renowned for its relatively cool climate, therapeutic thermal springs, well-preserved colonial architecture, and thriving local rickshaw industry.
• 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.
• Acqui Terme — A historical toponymic form or archaic-literary Romanian variant for the prominent port and spa city of Acqui Terme in the Piedmont region of northwestern Italy; the town is famous since Roman antiquity (under the name Aquae Statiellae) for its natural sulfurous thermal springs, structural treatment facilities, and remarkable archaeological ruins.
• Baden — An important historical region and former sovereign state located in southwestern Germany, on the right bank of the Rhine River, currently integrated into the federal state of Baden-Württemberg. The name also designates various famous spa towns in Central Europe, such as Baden near Vienna (Austria) or Baden in Switzerland, all historically recognized for their therapeutic thermal springs since the Roman era.
• Baden-Baden — A renowned spa city in the federal state of Baden-Württemberg, Germany, located at the foothills of the Black Forest mountains. Inscribed on the UNESCO World Heritage list as part of the Great Spa Towns of Europe, the city is internationally famous for its curative thermal springs, its historical nineteenth-century casino, and its elite cultural festivals.