Question: Are Šumbar Lake and Oppheimsvatnet located in the same country?
Sentence (from "Šumbar Lake"): The Šumbar Lake complex in Karlovac County, Croatia, consists of several large lakes, among which are Veliki Bajer( Big Lake), Desni Bajer( Right Lake) or Dugi Bajer( Long Lake) and Eko Lake.
Relevant evidence: Yes