Onna is a frazione of L'Aquila in the Abruzzo, region of central Italy.

During the Roman conquest, the fertility of the area guaranteed food production for Rome.

The earliest record of Onna is in 1178 during the time of Pope Clement III, in Villa Unda.

There existed a "grancia" (a type of agricultural company detached from the convent) run by the Cistercian monks.

This act of retaliation was perpetrated by the 114th Jäger Division, led by Hans Boelsen.