Ostashkovsky Koān (Lō͘-se-a-gí: Осташковский городской округ) sī Lō͘-se-a Tver Chiu ê chi̍t ê koān (raion).

Ostashkovsky Koān
Осташковский городской округ
—  Koān  —
Ostashkovsky Koān ê kî-á
Kî-á
Ostashkovsky Koān ê hui-kì
Hui-kì
Ostashkovsky Koān ê uī-tì
Ostashkovsky Koān ê uī-tì
Kok-ka  Lō͘-se-a
Chiu Tver Chiu
Bīn-chek
 - Lóng-chóng 3,198.67 km2
Jîn-kháu
 - Lóng-chóng 21,994 lâng
Bāng-chām xn----7sbbg4agccb9abchzgem3i.xn--p1ai

Pang-bô͘:Tver Chiu