Oituz

Oituz (formerly Grozeşti; Hungarian:Gorzafalva or Ojtoz) is a commune in Bacău County, Romania. It is composed of six villages: Călcâi (Zöldlonka), Ferestrău-Oituz (Fűrészfalva), Hârja (Herzsa), Marginea, Oituz and Poiana Sărată (Sósmező).

Oituz was the site of two battles during the First World War: the First and Second Battle of Oituz.