The first element is probably a possessive adjective based on the oeconym Pijavec, referring to a property where water sinks into the ground.
Nova Gorica | Velika Gorica | Nova Gorica railway station | Zagradec, Ivančna Gorica | Vukova Gorica | Stari Trg, Ivančna Gorica | Šmihel, Nova Gorica | Pungert, Ivančna Gorica | Pristava, Nova Gorica | Gorica | Glogovica, Ivančna Gorica |