Malygina Strait
It separates Bely Island from the Yamal Peninsula in the Yamalo-Nenets Autonomous Okrug , Tyumen Oblast . 
<triplet> Bely Island <subj> Yamalo-Nenets Autonomous Okrug <obj> located in the administrative territorial entity <triplet> Yamalo-Nenets Autonomous Okrug <subj> Tyumen Oblast <obj> located in the administrative territorial entity