 The current name derives from the Latin name "Aqua Lanea", meaning "Water Slaughter", and which remembered the battle of Gualdo Tadino fought nearby between Totila's Ostrogoth and Narses's Byzantine armies during the Gothic Wars.In the neighbourhood existed the Roman town of "Pitinum Mergens", destroyed by Alarich I.The survivors founded the castle of Montefalcone, from which the current Acqualagna evolved.