The provided source material does not contain information regarding a city named Zakhar in Kazakhstan. Instead, the text identifies Zakhar as an East Slavic given name derived from the biblical names Zechariah or Zachary.
The name is associated with various notable figures, primarily of Russian origin, including athletes such as ice hockey player Zakhar Arzamastsev and canoeist Zakhar Petrov. Other individuals mentioned include musician Zakhar May, writer and political dissident Zakhar Prilepin, and historical figure Zakhar Chernyshyov, a Russian field marshal.