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