Balasagun (Turkish: Balagasun -Balassagun, Balasaghun, Karabalsagun; Chinese: 八剌沙衮; pinyin: bālàshāgǔn, Persian: بلاساغون) was an ancient Soghdian city in modern-day Kyrgyzstan, located in the Chuy Valley between Bishkek and Issyk-Kul Lake.