Kornsjø is a small peninsular establishment which lies at the common border of Norway and Sweden. This area is around 160 kilometres away from Oslo. The Norwegian part belongs to Halden Kommune in Oestfold. Today Kornsjo is a small community of around 300 people. Kornsjo has an opening to the sea and it is well known for its abundance of fish. Another famous place in Kornsjo is the Station, built under the surveillance of King Oskar II.