面積52平方公里，克伊其具有重要的傑伊生態價值，該湖在約7,茲湖500年前形成，湖泊經由一條狹小的克伊河道流過達里揚後注入地中海。
克伊傑伊茲湖（土耳其語：Köyceğiz Gölü）是傑伊土耳其的湖泊，該湖得名自湖畔北端的茲湖城鎮克伊傑伊茲，由穆拉省負責管轄，克伊位於該國西南部，傑伊 外部連結 Köyceğiz-Dalyan Special Environmental Protection Area; Environmental Protection Agency for Special Areas History surfaces from Köyceğiz Lake,茲湖 Land of Lights, October 28th, 2010 Dynamics of Lake Köyceğiz, SW Turkey: An environmental isotopic and hydrochemical study, C.S. BAYARI, T. KURTTAS, L. TEZCAN 土耳其湖泊
