The Chalcolithic figurine of Durankulak currently in Sophia Museum belongs to Hamanjia Culture in NE Bulgaria and SW Rumania.
See:
- Martin Hristov - http://www.europeanvirtualmuseum.it/repertidettagli/Deepenings110.htm
- Ivan Vajsov, Die Idole aus den Gräberfeldern aus Durankulak (Idols in the Necropolis at Durankulak, Bulgaria), Durankulak, Band IIDie prähistorischen Gräberfelder 2002 - https://www.academia.edu/1454101