I'm not sure. It could be a blend of real and made-up. Maybe it started with a kernel of truth and then the storyteller took creative liberties to shape it into what we see.
Hard to say for sure. Sometimes movies or shows claim to be based on true events but have a lot of fictional elements mixed in. So, it could be a blend of fact and fiction in 'The Girl from Oslo'.
In fact, it draws inspiration from actual incidents. However, some creative liberties might have been taken for dramatic effect while maintaining the core truth.
In fact, it draws inspiration from actual incidents and has been adapted for the screen. However, some artistic liberties might have been taken for dramatic effect while maintaining the core truth of the story.