Hülya is the Turkish word for "daydream" or "reverie" — borrowed from Arabic hulyā (ornament).
Hülya Avşar (born 1963) is the legendary Turkish actress and singer.
Hülya does not currently appear in the US Social Security Administration's top 1,000 girls' names, so we don't publish a US rank or birth count for it. That says nothing about the name's standing elsewhere in the world — only that it sits outside the ranked US data we rely on.
In Pythagorean numerology the letters of Hülya reduce to 4, The Builder. This is a traditional interpretive system, not a factual claim about the name.