Trédias sī ūi-tī Hoat-kok Bretagne toā-khu Côtes-d'Armor koān ê chi̍t ê commune.

Trédias
—  Commune  —
Trédias ê kéng-sek
Trédias ê kéng-sek
Trédias ê hui-kì
Hui-kì
Trédias só͘-chāi tē-tô͘ ê uī-tì
Trédias só͘-chāi tē-tô͘ ê uī-tì
Trédias só͘-chāi tē-tô͘
Trédias is located in Hoat-kok
Trédias
Trédias
Trédias tī Hoat-kok ê tāi-lio̍k ūi-tì
Keng-hūi-tō͘: 48°21′28″N 2°14′13″W / 48.35778°N 2.23694°W / 48.35778; -2.23694
Kok-ka  Hoat-kok
Toā-khu Bretagne
Koān Côtes-d'Armor
Kūn

Tē-lí siu-kái

Tī Trédias ê sì-ûi ū Mégrit, Broons, Languédias, Trémeur, kap Yvignac-la-Tour téng siâⁿ-chhī he̍k-chiá chng-siā.

Jîn-kháu siu-kái

Nî-tō͘ 1968 1975 1982 1990 1999 2007 2012
Jîn-kháu 544 532 510 478 442 466 514
Bi̍t-tō͘ (jîn-kháu/km²) 49.4 48.3 46.3 43.4 40.1 42.3 46.7

Chham-khó siu-kái


  Che sī chi̍t phiⁿ kap Côtes-d'Armor tē-lí siong-koan ê phí-á-kiáⁿ. Chhiáⁿ tàu khok-chhiong.