Gravon sī ūi-tī Hoat-kok Île-de-France toā-khu Seine-et-Marne koān ê chi̍t ê commune.

Gravon
—  Commune  —
Gravon ê kéng-sek
Gravon ê kéng-sek
Gravon só͘-chāi tē-tô͘ ê uī-tì
Gravon só͘-chāi tē-tô͘ ê uī-tì
Gravon só͘-chāi tē-tô͘
Gravon is located in Hoat-kok
Gravon
Gravon
Gravon tī Hoat-kok ê tāi-lio̍k ūi-tì
Keng-hūi-tō͘: 48°23′58″N 3°7′12″E / 48.39944°N 3.12000°E / 48.39944; 3.12000
Kok-ka  Hoat-kok
Toā-khu Île-de-France
Koān Seine-et-Marne
Kūn

Tē-lí

siu-kái

Tī Gravon ê sì-ûi ū La Tombe, Vinneuf, Balloy, Châtenay-sur-Seine, kap Misy-sur-Yonne téng siâⁿ-chhī he̍k-chiá chng-siā.

Jîn-kháu

siu-kái
Nî-tō͘ 1968 1975 1982 1990 1999 2007 2012
Jîn-kháu 56 73 81 86 115 136 149
Bi̍t-tō͘ (jîn-kháu/km²) 7.4 9.7 10.7 11.4 15.2 18.0 19.7

Chham-khó

siu-kái