The Treaty of Kyakhta (or Kiakhta) (Russian: Кяхтинский договор, Kjahtinskij dogovor; Chinese: 布連斯奇條約/恰克圖條約; pinyin: Bùliánsīqí / Qiàkètú tiáoyuē, Wade-Giles: Pu4lien2ssŭ1ch‘i2 / Ch‘ia4k‘o4tu2 t‘iao2yüeh1, Xiao'erjing: بُلِيًاصِٿِ / ٿِاكْتُ تِيَوْيُؤ; Mongolian: Хиагтын гэрээ, Xiagtın gerê; Manchu: ᠵᡠᠸᠠᠨ
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ᠪᡳᡨᡥᡝ, Wylie: Chuwan emu hatsin i pitghe, Möllendorff: Juwan emu hacin i bithe), along with the Treaty of Nerchinsk (1689), regulated the relations between Imperial Russia and the Qing Empire of China until the mid-19th century. It was signed by Tulišen and Count Sava Lukich Raguzinskii-Vladislavich at the border city of Kyakhta on 23 August 1727.