Lake Tharthar
Lake Tharthar ( also Therthar ) , and known in Iraq as Buhayrat ath-Tharthar , is an artificial lake opened in 1956 , situated 100 kilometers northwest of Baghdad between the Tigris and the Euphrates rivers . 
<triplet> Lake Tharthar <subj> Iraq <obj> country <subj> lake <obj> instance of <triplet> Baghdad <subj> Iraq <obj> country <subj> Tigris <obj> located in or next to body of water <triplet> Euphrates <subj> Iraq <obj> basin country