Övörkhangai Séng (Bông-kó͘-bûn: Өвөрхангай аймаг; Bông-kó͘ jī-bó: ᠥᠪᠦᠷᠬᠠᠩᠭᠠᠢᠠᠶᠢᠮᠠᠭ) sī Bông-kó͘ ê chi̍t-ê séng (aimag); i-ê siú-hú siat tī Arvaikheer.

Övörkhangai Séng
Өвөрхангай аймаг
ᠥᠪᠦᠷᠬᠠᠩᠭᠠᠢᠠᠶᠢᠮᠠᠭ
—  Séng  —

Övörkhangai Séng ê kî-á
Kî-á
Övörkhangai Séng ê hui-kì
Hui-kì
Övörkhangai Séng ê uī-tì
Övörkhangai Séng ê uī-tì
Kok-ka  Bông-kó͘
Siú-hú Arvaikheer
Bīn-chek
 - Lóng-chóng 62,895.33 km2
Jîn-kháu
 - Lóng-chóng 101,314 lâng
 - Bi̍t-tō͘ 1.61/km2
Sî-khu +8 (UTC+8)

Tē-lí

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Le̍k-sú

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Jîn-khaú

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Övörkhangai Séng ê bīn-chek lóng-chóng ū 62,895.33 pêng-hong kong-lí; jîn-khaú 101,314 lâng.

Kau-thong

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Khì-hāu

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Keng-chè

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Hêng-chèng-khu

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Gōa-pō͘ liân-kiat

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Chham-khó

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