Charsk or Shar is a town in Zharma District in Abai Region of eastern Kazakhstan. Charsk is located at the left bank of the Shar River, a lef…Charsk or Shar is a town in Zharma District in Abai Region of eastern Kazakhstan. Charsk is located at the left bank of the Shar River, a left tributary of the Irtysh. The name of the town originates from the name of the river.