Târgu Ocna

Târgu Ocna (Romanian alternative spelling Tîrgu Ocna) is a town in Bacău County, Romania, situated on the left bank of the Trotuş River, an affluent of the Siret, and on a branch railway which crosses the Ghimeş Pass from Moldavia into Transylvania. Târgu Ocna is built among the Carpathian Mountains on bare hills formed of rock salt.

Târgu Ocna's main industry is salt production, as it is the largest provider in Moldavia. Other industries include wood processing, coal mining, steel producing, and petroleum-based industries