Zaječice (Jirkov-Zaječice) is a place, that after the Treaty of Saint-Germain belonged to Czechoslovakia and was situated in the administrative region Chomutov.
Zaječice (Jirkov-Zaječice) was formerly part of the German Empire. In the German Empire, the place was called Sadschitz. The place is now called Zaječice and belongs to Czech Republic.