Kalach-na-Donu
File:Kalach-na-donu svyatitelya nikolaya chudotvortsa 7.jpg
Saint Nicholas Church
File:Kalach-na-Donu COA (2013).png
Coat of arms
Kalach-na-Donu or Kalach-on-the-Don (Russian: Калач-на-Дону) is a town in Volgograd Oblast, Russia. In 2010, 26,910 people lived there.
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