费尔干纳盆地
Bishkek in the north is the capital and largest city, with 937,400 inhabitants (). The second city is the ancient town of Osh, located in the Fergana Valley near the border with Uzbekistan. The principal river is the Kara Darya, which flows west through the Fergana Valley into Uzbekistan. Across the border in Uzbekistan it meets another major Kyrgyz river, the Naryn.