The names of these villages are Caboalles de Arriba, Caboalles de Abajo, Villager de Laciana, Orallo, Rioscuro, El Villar de Santiago, Sosas de Laciana, Robles de Laciana, Villaseca de Laciana, Lumajo, Rabanal de Arriba, Rabanal de Abajo, Llamas, San Miguel de Laciana and Villablino.
In the whole Valley, there are 10,220 inhabitants according to the census results in 2012. The most populated villages are Villablino, Villaseca de Laciana and Caboalles de Abajo.