Aeclanum was an ancient town of Samnium, southern Italy, about 25 km east-southeast of Beneventum, on the Via Appia. It lies in Passo di Mirabella, near the modern Mirabella Eclano.
Wikipedia https://en.wikipedia.org/wiki/Aeclanum
Address 83036, Italy
Coordinates 41°3'14.158" N 15°0'38.043" E