Nicolas George Stratigos - Kythera and Australia

Nicolas was born on Kythera 29 August 1898 the son of George Stratigos. He married Irene Psaros (my wife's Aunty) c1930 and they lived in Sydney Australia until her death in 1978. Nicolas returned to Kythera shortly afterwards. They did not have any children.
We are in search of the village he came from and death details c1990
Peter M