Your birthday star has the common name Fomalhaut. It is called NS 2257-2937 A in the NStars database.
It has visual magnitude 1.15 meaning that it is
one of the brightest stars in the sky! It is marked in the center of this star chart, at celestial coordinates (J2000 equinox):
Right ascension 22:57:39.1
Declination -29:37:20
This star is 25.0 light years away, which means that the light we see from it today set off on its journey at about the same time that you were born. Come back in a month or two and your birthday star may change, as the light from more distant stars reaches Earth.