Wikipedia
Oituz
Oituz (formerly Grozeşti; 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.
According to Iorgu Iordan, the commune's name is of Turkic origin; otuz or oltuz means "thirty" in Turkish.
Poiana Sărată village is part of Transylvania; in Austria-Hungary, it belonged to Háromszék County, and was then in Trei Scaune County until 1950.