Men Finland er ikke, så slutte å si at det er det, takk
That's wrong. According to the wiki on Scandinavia ' However, in English usage, the term Scandinavia is sometimes used as a synonym or near-synonym for Nordic countries.'
So in English, Finland and Iceland are also included in the term Scandinavia
This sentence would be intelligible to English speakers.
heh got this right after 'Norge og Sverige er skandinaviske land'