The species occurs in Eastern and South-East Europe, Turkey, Urals, North Kazakhstan and West Siberia. In Bulgaria distributed mainly in the mountains; up to 2300—2400 m (Rila: Sedemte Rilski Ezera) (Abadjiev, 2001
: 156). Included in the Appendix II of the Habitats Directive 92/43 of the European Union.
UTM map of the known distribution of Polyommatus eroides in Bulgaria.