#Transylvania geography

• Aita Mare — A geographical proper noun designating a commune in Covasna County, Transylvania region, situated within the Baraolt depression, as well as its homonymous residential village. The locality holds remarkable historical and cultural significance in the multicultural Carpathian territory, being documented since the 14th century and internationally recognized for its fortified Unitarian church (a 14th-16th century historical monument), which structurally reflects medieval defensive architecture elements specific to the local Székely communities.
• Aiton — A geographical proper noun designating a commune in Cluj County, Transylvania region, situated within the Feleac Hills, as well as its homonymous residential village. The locality holds remarkable historical and archaeological significance in the Carpathian territory, being the site where the famous Aiton milestone was discovered (a Roman milestone from 108 AD), which provides concrete documentary evidence for the construction of the strategic Daco-Roman road between Potaissa and Napoca, representing a fundamental structural proof of imperial administrative organization in the Dacia province.
• Aiud — A municipality in Alba County, Transylvania region, situated on the middle course of the Mureș River. The locality holds significant historical and cultural importance, being documented since antiquity as a Roman settlement (Brucla) and later, in the 13th century, under its current name. The city is internationally recognized for its fortified medieval citadel (14th-16th centuries), the historical academic college founded by Gabriel Bethlen, and for the grim memory of its communist-era prison, where numerous political prisoners were held, functioning today as a major point of historical reference.
• Almașu — The name of a commune and its homonymous residential village located in Sălaj County, Transylvania, Romania. The locality is situated in the Almaș River valley and is historically attested since the Middle Ages, recognized for the nearby ruins of a medieval stone fortress and for the preservation of traditional rural architecture and folklore.
• Ampul — A historical, regional, or archaic toponymic form derived from the Latin root 'Ampelum', utilized in old documents to designate the Ampoi River or the mountainous area near the mining town of Zlatna in Alba County; it represents a documented record of the etymological link between Roman settlements in the Apuseni Mountains and local geographical names preserved by communities.
• Ardan — The name of a locality (village) in Romania, situated in Bistrița-Năsăud county, administratively belonging to the Șieu commune. From a structural-geographical and historical perspective, Ardan represents an old Transylvanian settlement, documentarily attested since the Middle Ages, characterized by a traditional rural community, a hilly relief specific to the Transylvanian Plateau, and an economy historically based on agriculture and fruit growing.