Tiba-kōan (千葉県 Chiba-ken?)Ji̍t-pún Honsyû ê chi̍t-ê kōan, siú-hú sī Tiba-chhī.

Tiba-koān
千葉県
—  koān  —
Tiba-koān ê kî-á
Kî-á
Official logo of Tiba-koān
Hui-chiong
Tiba-koān ê uī-tì
Tiba-koān ê uī-tì
Kok-ka Ji̍t-pún
Tē-hng Kantô
Tó-sū Honsyû
Hú-siâⁿ Tiba
Bīn-chek
 - Lóng-chóng 5,157.61 km2
Jîn-kháu (2019)
 - Lóng-chóng 6,278,060 lâng
 - Bi̍t-tō͘ 1,217.2/km2
Bāng-chām www.pref.chiba.lg.jp