Galina, Halyna, or Halina (Russian: Галина; from Greek γαλήνη "Serenity") is an East Slavic feminine given name, also popular in Bulgaria and Slovenia during the period of Soviet influence. Galina is the standard transliteration from Russian. It is generally transliterated as Halyna from Ukrainian (Ukrainian: Галина) and as Halina from Belarusian (Belarusian: Галіна). The latter form is also frequently found in Poland. Nicknames include Galya (or Halya), Galka (or Halka), Gala, Galochka, Galusha, and Galechka.
https://en.wikipedia.org/wiki/Galina