Treffort sī ūi-tī Hoat-kok Rhône-Alpes toā-khu Isère séng ê chi̍t ê commune.

Treffort
—  Commune  —
Treffort ê kéng-sek
Treffort ê kéng-sek
Treffort só͘-chāi tē-tô͘ ê uī-tì
Treffort só͘-chāi tē-tô͘ ê uī-tì
Treffort só͘-chāi tē-tô͘
Treffort is located in Hoat-kok
Treffort
Treffort
Treffort tī Hoat-kok ê tāi-lio̍k ūi-tì
Keng-hūi-tō͘: 44°54′56″N 5°39′29″E / 44.91556°N 5.65806°E / 44.91556; 5.65806
Kok-ka  Hoat-kok
Toā-khu Rhône-Alpes
Koān Isère
Kūn

Tē-lí

siu-kái

Tī Treffort ê sì-ûi ū Lavars, Marcieu, Mayres-Savel, Monestier-de-Clermont, Roissard, kap Sinard téng siâⁿ-chhī he̍k-chiá chng-siā.

Jîn-kháu

siu-kái
Nî-tō͘ 1968 1975 1982 1990 1999 2007 2012
Jîn-kháu 57 53 69 78 129 223 256
Bi̍t-tō͘ (jîn-kháu/km²) 5.2 4.8 6.3 7.1 11.7 20.3 23.3

Chham-khó

siu-kái