It is currently split into a larger Polish and the smaller Czech Silesian part, which is located within the Czech regions of Moravia-Silesia and Olomouc.
Praegu on see jagunenud suuremaks Poola ja väiksemaks Tšehhi Sileesiaks, mis paikneb Tšehhi Morava-Sileesia ja Olomouci maakondades.