Barolia is a planet in the Beta Columbae system, homeworld of the Barolians.

Sometime prior to 2265, Cervantes Quinn stole a sonic screwdriver from "a rather daft chap" on Barolia. (VAN novel: Harbinger)

In January 2381, the planet was attacked by the Borg Collective, its population wiped out. (TNG novel: Greater Than the Sum)

When the Borg invasion picked up, the USS Enterprise-E attempted to develop additional weapons and counterattacks; the Borg had previously captured Beverly Crusher's multivector pathogen at Barolia. (ST - Destiny novel: Gods of Night)