The Barrica Valley was a location, a valley on planet Setlik III.
History and specifics[]
In the year 2362, the Barrica Valley was occupied by Cardassian Union forces when they invaded Setlik III following the massacre that was carried out by Laen Enkoa. (ST - Seven Deadly Sins novella: The Slow Knife)
Miles O'Brien later led a Starfleet team that attacked the Cardassians in the Barrica encampment. (DS9 episode: "Empok Nor")