#Aix
- Aeken — The historical, archaic, or old Flemish/Dutch dialectal name for the city of Aachen (located in present-day Germany, near the borders with Belgium and the Netherlands). The term is found in medieval documents, old chronicles, and European historiography to designate the ancient residence capital of Charlemagne and the historic coronation site of German kings.
- Aix — A toponymic proper noun of French origin, most frequently used to designate the renowned university city of Aix-en-Provence or the spa town of Aix-les-Bains in France; etymologically, the term derives from the Latin 'aquae' (waters), making direct reference to the Roman thermal springs in these regions. It is a fundamental structural element in Western European cartography and cultural history.
- Aix-en-Provence — A medium-sized university city and spa town located in southern France, in the Provence-Alpes-Côte d'Azur region, serving as the former historical capital of Provence. Founded by the Romans as Aquae Sextiae due to its thermal springs, the city is globally renowned for its Baroque architecture, shaded avenues lined with plane trees, monumental fountains, and its close association with the post-Impressionist painter Paul Cézanne.
- Aix-la-Chapelle — The French name for the historic city of Aachen, located in western Germany, near the borders with Belgium and the Netherlands. The term holds immense historical significance, referring to the Palatine Chapel built by Charlemagne, who made the city the primary residence of the Carolingian Empire; the city is famous in European diplomacy for the international peace treaties signed here in 1668 and 1748.