Selected countries and cities. *C.I.T. = Countries in Transition.
| European Region | Selected Countries | Selected Cities |
|---|---|---|
| NORTH | Finland | Helsinki, Joensuu |
| Norway | Oslo, Bergen | |
| Denmark | Copenhagen, Odense | |
| CENTRAL | United Kingdom | London, Edinburgh |
| Germany | Berlin, Freiburg | |
| Netherlands | Amsterdam, Arnhem | |
| France | Paris, Nancy | |
| SOUTH | Portugal | Lisbon, Porto |
| Italy | Rome, Padua | |
| Greece | Athens, Thessaloniki | |
| C.I.T.* | Russia | Moscow, St. Petersburg |
| Poland | Warsaw, Gdansk | |
| Czech Republic | Prague, Brno | |
| Romania | Bucharest, Brasov |