Údol Svatého Kryštofa is a place, that after the Treaty of Saint-Germain belonged to Czechoslovakia and was situated in the administrative region Liberec (venkov).
Údol Svatého Kryštofa was formerly part of the German Empire. In the German Empire, the place was called Christophsgrund. The place is now called Kryštofovo Údolí and belongs to Czech Republic.