The Jazy (, also ïÃÂÃÂàYassy) is the largest right tributary of the Kara Darya in Kyrgyzstan. The river is formed at the south-west slope of the Fergana Range. The river's length is 122 km, and its basin area is 2,620 km<sup>2</sup>. The annual average flow rate is 34.2 m<sup>3</sup>/s. It flows into the Andijan Reservoir, which is drained by the Kara Darya, west of the town ÃÂzgön. It flows along the towns ÃÂzgön, Myrza-Ake, Jylandy and Ak-Terek.