What is really shocking: Bratislava, the capital of Slovakia, is ranked as the #5 among the richest EE regions! Nothing against Bratislava, but it's certainly not richer than Île-de-France (i.e., Paris and the surrounding area), Groningen or Stockholm. It's utterly ridiculous to claim that the Slovak capital is wealthier than Paris. It's not. (I've seen all these cities save Groningen.)
Then there is Prague as the number 9. I love Prague, I know it quite well, but in my wildest dreams I wouldn't claim it's richer than Munich (or Oberbayern), Vienna, Darmstadt, and probably the rest of the list down to Bolzano.
There must be something seriously fishy in the Eurostat GDP calculations. They are not trustworthy at all. By the way, I don't believe that Inner London is more than twice as rich as Helsinki or Stuttgart. Somebody is kidding us.
The sad thing is that the above list of seriously twisted data is not compiled just for curiosity. It's a very important basis for the decision making process about the EU subsidies. Billions of euros are redistributed according to a dodgy key. Awful.