Opatovské jazierko
Opatovské jazierko is a nature reserve in the Slovak municipality of Medveďov in the Dunajská Streda District . 
<triplet> Opatovské jazierko <subj> Dunajská Streda District <obj> located in the administrative territorial entity <triplet> Medveďov <subj> Dunajská Streda District <obj> located in the administrative territorial entity