What is "kostiantynivka"

Kostiantynivka (, ) is an industrial city in the Donetsk Oblast ( province) of eastern Ukraine, on the Kryvyi Torets River. Administratively, it is incorporated as a city of oblast significance. It also serves as the administrative center of Kostiantynivka Raion ( district), though it does not belong to it. It's also known as Kostyantynivka or Konstantinovka. It developed in the Soviet era into a major centre for the production of iron, zinc, steel and glass. Population: ; 95,111 (2001).