EN · common lilac
DE · Gemeine Flieder, Gewöhnliche Flieder
LT · paprastoji alyva
LV · parastais ceriņš
PL · lilak pospolity
en.wikipedia.org/wiki/Syringa_vulgaris
It is native to the Balkan Peninsula, where it grows on rocky hills.
The flowers of common lilac are edible and used for flavoring honeys, sugars, food and other sweets.