Russia 97,827 (2002 census) [8] Ukraine 91,500 (2001 census) [9] Albania 58,785 (1989 census) [10] Brazil 25,000 - 30,000 [11] Elsewhere see Greek diaspora Language(s) Greek Religion(s) Predominantly Greek Orthodox , with Roman Catholic , Greek Catholic , Protestant , Muslim , Atheist and other minorities. Footnotes a An estimated 3,000,000