#medieval documents
- Adejcu — A rare historical toponymic-hydronymic name or a proper personal name mentioned in archaic documents, land registers, or old maps of the East European region. As a geographic or structural entity, it can designate a small watercourse, a local landform, or an old rural settlement that disappeared or was assimilated over time by neighboring localities.
- Aref — An archaic toponymic form or onomastic element structurally linked to the territory of the Arefu commune in Argeș County, Romania, occasionally utilized in ancient administrative documents or vintage maps to designate this historical mountain settlement. The village and its surroundings are famous in folklore for legends regarding landowners loyal to prince Vlad the Impaler.