Det Bulgan Prowins (üüb Mongols: Булган аймаг/ᠪᠤᠯᠠᠭᠠᠨ ᠠᠶᠢᠮᠠᠭ Bulgan Ajmag) as en prowins faan't Mongolei. Det leit uun a nuurd faan't lun. Uun a nuurd leit Rüslun. Det hee 61.776 lidj (2000)[1]. At hoodsteed as Bulgan.
At prowins hee 16 distrikten.