according to the regional innovation scoreboard european commission a stockholm is the most innovative region in the eu followed by the capital region of denmark hovedstaden with the relatively early adoption of the green growth agenda the nordic countries have become frontrunners in green economy transformation having obtained a significant competitive advantage in green solutions regions are classified into four main innovation performance groups ie leader strong moderate and modest performers with three subgroups within each performance group ie a top third most innovative a middle third and a bottom third least innovative to allow for more diversity at the regional level