Miltiades Varvounis was born in Athens, Greece in 1980. Of Polish descent, he considers himself Graecorum et Polonorum filius (a son of Greeks and Poles). 

His areas of research include, among other things, cultural and military life of the Polish-Lithuanian Commonwealth, Polish, Lithuanian, and Turkish histories.

Alongside his professional activities, Miltiades Varvounis has always considered it his national duty to study Polish civilization and to make it known to the whole world.

Miltiades Varvounis is married and lives in Athens, Łask (Poland), and Kaunas (Lithuania).