Žiri (pronounced [ʒiˈɾiː] ⓘ or [ˈʒiːɾi]; formerly also Žir,[1] locally Žier,[2] German: Sairach[1]) is a town in northwestern Slovenia.

[3] The town of Žiri lies in the extreme southwest part of the Upper Carniola region on the borders with the Inner Carniola and the Littoral regions in the Žiri Basin (Slovene: Žirovska kotlina) at the end of the Poljane Valley (Poljanska dolina).

An alternative, less likely theory, connects the name to the Slovene common noun žir 'beech nuts'.

An Austrian post office was established in Žiri in 1871 under the name Sairach, district of Loitsch (Logatec).

[4]The parish church in the town of Žiri is dedicated to Saint Martin and belongs to the Archdiocese of Ljubljana.