The LNAB question here does again raise the as yet not definitively settled question "dynastic name" or "sex-specific name". Jagiellonka is the female form of the name, the dynastic name is Jagiellonowie. So far EuroAristo prefers the dynastic name but we have lots of sex-specific Eastern European names floating around.
Birth place is Krakow, Królestwo Polskie, she died in Gyulafehérvár, Erdélyi Fejedelemség, not in Hungary! Transylvania at that time was not part of Hungary but a client state of the Ottoman Empire.
Bălgrad was the Rumanian name for Alba Iulia (Gyulafehérvár, Weißenburg).