Greek Basket League
The Greek Basket League ( GBL ) , often also referred to as the Greek A1 Basketball League , or Greek Basketball Championship ( originally called Panhellenic Basketball Championship ) , and also known as the Basket League for sponsorship reasons , is the first tier level professional basketball league in Greece . 
<triplet> Greek Basket League <subj> basketball <obj> sport <triplet> first tier <subj> basketball <obj> sport <subj> Greece <obj> country