Stráž pod Ralskem is a town in Česká Lípa District, Liberec Region, Czech Republic. It has a population of 4,238 The baroque composer Heinrich Ignaz Franz Biber was born in Stráž pod Ralskem in 1644.People Heinrich Ignaz Franz Biber (1644–1704) (1656–1733), Bishop of Prague (1668–1726) Anton von Jaksch (1810–1887) (1872–1938) – architect