Giorgi Khimshiashvili was born in the noble family from the eastern Georgian region of Kakheti, then part of the Russian Empire.

[1] Giorgi Khimshiashvili was educated at the Nicholas Cavalry College [ru] in St. Petersburg and fought in the Russian ranks as cornet in World War I.

In July 1920, he was among the Georgian officers who oversaw the transfer of sovereignty over Batum from the British occupation forces to Georgia.

In 1922, he joined the underground anti-Soviet organization, the Committee for the Independence of Georgia, and was a member of its "military centre", representing a Social Democratic party.

On his way to execution, Khimshiashvili attempted to escape, but was wounded, captured, and shot together with his accomplices in what is now Vake Park in central Tbilisi.