Birac sī ūi-tī Hoat-kok Aquitaine tōa-khu Gironde séng ê chi̍t ê commune.

Birac
—  Commune  —
Birac ê kéng-sek
Birac ê kéng-sek
Birac só͘-chāi tē-tô͘ ê uī-tì
Birac só͘-chāi tē-tô͘ ê uī-tì
Birac só͘-chāi tē-tô͘
Birac is located in Hoat-kok
Birac
Birac
Birac tī Hoat-kok ê tāi-lio̍k ūi-tì
Keng-hūi-tō͘: 44°25′3″N 0°8′14″W / 44.41750°N 0.13722°W / 44.41750; -0.13722
Kok-ka  Hoat-kok
Toā-khu Aquitaine
Koān Gironde
Kūn

Tē-lí siu-kái

Tī Birac ê sì-ûi ū Gajac, Cudos, Lavazan, Saint-Côme, Sauviac, kap Sendets téng siâⁿ-chhī he̍k-chiá chng-siā.

Jîn-kháu siu-kái

Nî-tō͘ 1968 1975 1982 1990 1999 2007 2012
Jîn-kháu 233 188 200 180 182 223 225
Bi̍t-tō͘ (jîn-kháu/km²) 22.9 18.5 19.7 17.7 17.9 21.9 22.1

Chham-khó siu-kái

Liân-kiat siu-kái