1) International strait 
Svinesund is a sound separating the Swedish municipality of Strömstad in the province of Bohuslän in the county of Västra Götaland from the Norwegian municipality of Halden in the county of Østfold. Two bridges, the old and new Svinesund Bridge (no:Svinesundsbroen sv:Svinesundsbron), span this sound of the Iddefjord. The Swedish side is extre...