What does Milena mean?
Milena comes from the Slavic mil, “gracious,” “dear” or “loving.”
What does Nadia mean?
A Slavic name derived from Russian/Bulgarian Nadezhda, from Old Slavic for 'hope' (Proto-Slavic root naděja). Originally a diminutive of Nadezhda, it is widely used as a given name in its own right. Note: a separate Arabic name Nadiyyah ('tender, delicate') is sometimes conflated with it but is an unrelated root.