The name is an aboriginal word meaning star. It shares its postcode 2143 with neighbouring suburbs that include Potts Hill and Regents Park. It was around 1927, that the name Birrong was adopted.
Birrong is a part of Southwest Sydney region whereas falling under the area of City of Bankstown.
Many of the community facilities associated include two high schools Birrong Boys High School and Birrong Girls High School, primary school, swimming pool, football fields, natural park reserves, bowling club, etc. Small stores for everyday use include take away foods, chemist, bakers, IGA supermarket, and hardware stores.