Terezín is a former military fortress composed of citadel and adjacent walled garrison town of Litoměřice District, in the Ústí nad Labem Region of the Czech Republic.
Wikipedia https://en.wikipedia.org/wiki/Terezín
Address 85 náměstí Československé armády, Terezín 41155, Czech Republic
Coordinates 50°30'38.107" N 14°8'57.395" E