Alt-Harzdorf is a place, that before the Treaty of Saint-Germain belonged to Austro-Hungary and was situated in the administrative region Reichenberg.
Alt-Harzdorf was formerly part of the German Empire. In the German Empire, the place was called Alt Harzdorf (Reichenberg-Alt Harzdf.). The place is now called Starý Harcov (Liberec-Starý Harcov) and belongs to Czech Republic.