Ollans sī ūi-tī Hoat-kok Franche-Comté tōa-khu Doubs séng ê chi̍t-ê commune.

Ollans
—  Commune  —
Ollans ê kéng-sek
Ollans ê kéng-sek
Ollans ê hui-kì
Hui-kì
Ollans só͘-chāi tē-tô͘ ê uī-tì
Ollans só͘-chāi tē-tô͘ ê uī-tì
Ollans só͘-chāi tē-tô͘
Ollans is located in Hoat-kok
Ollans
Ollans
Ollans tī Hoat-kok ê tāi-lio̍k ūi-tì
Keng-hūi-tō͘: 47°25′3″N 6°14′41″E / 47.41750°N 6.24472°E / 47.41750; 6.24472
Kok-ka  Hoat-kok
Toā-khu Franche-Comté
Koān Doubs
Kūn

Tē-lí siu-kái

Tī Ollans ê sì-ûi ū Maussans, Avilley, Cendrey, kap Larians-et-Munans téng siâⁿ-chhī he̍k-chiá chng-siā.

Jîn-kháu siu-kái

Nî-tō͘ 1968 1975 1982 1990 1999 2007 2012
Jîn-kháu 45 55 52 53 54 44 41
Bi̍t-tō͘ (jîn-kháu/km²) 19.5 23.8 22.5 22.9 23.4 19.0 17.7

Chham-khó siu-kái