Baykalsko or Baikalsko () is a village in Radomir Municipality, Pernik Province, Southwest Bulgaria. Population: 75 (as of January 1, 2007). Village of Baykalsko at guide-bulgaria.com It is named after Lake Baikal, Russia.
Until 13 July 1951, Baykalsko was named Chokl'ovo.Мичев, Н и П. Коледаров, Речник на селищата и селищните имена в България 1878 – 1987, София 1989, с. 29.
Honours Baykal Point on Brabant Island, Antarctica is named after the village.
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