The Voria Mines were an area of Voria Province on Bajor that was the location of a uridium mine.
Hon Avid was one of many Bajorans forced to work in the Voria mines. He was fortunate to survive, as many of his family and friends died while working in the mines. (ST novel: A Singular Destiny)
In an alternate timeline, Kira Nerys worked in the Voria mines. (ST - Echoes and Refractions novel: A Gutted World)