Batam
Batam is the largest city in the province of Riau Islands , Indonesia . 
<triplet> Batam <subj> Riau Islands <obj> located in the administrative territorial entity <subj> Indonesia <obj> country <triplet> city <subj> Indonesia <obj> country <triplet> Riau Islands <subj> Batam <obj> contains administrative territorial entity <subj> Indonesia <obj> country <triplet> Indonesia <subj> Riau Islands <obj> contains administrative territorial entity