Khong-ku (康居) sī kó͘-chá sî-tāi seng-oa̍h tī Tiong A-chiu tē-khu ê poàⁿ iû-bo̍k bîn-cho̍k. In-ê oa̍h-tāng hoān-ûi chù-iàu sī tī kin-á-ji̍t ê Kazakhstan lâm-pō͘ kap Syr Darya tiong-hā-iû ê só͘-chāi.

Se-goân 1 sè-kí sî-chūn ê Se-he̍k kok-ka.