Cytat:Regional block voting
There is academic evidence that regional block voting exists.

The three most notable voting blocks are:

The Balkan Block, primarily the former Yugoslavia (Bosnia-Herzegovina, Croatia, Former Yugoslav Republic of Macedonia, Serbia, Montenegro and Slovenia), along with Albania, Hungary and Bulgaria.

The Nordic Block, comprising Denmark, Finland, Iceland, Norway and Sweden, sometimes along with the Baltic states

And the Ex Soviet Block, former USSR countries: Russia, Ukraine, Belarus, Moldova, Georgia, Armenia, Azerbaijan, the Baltic states Estonia, Latvia, Lithuania.

Pairs of countries that regularly award each other high points are:

Greece and Cyprus
Greece and Armenia
Bulgaria and Greece
Finland and Sweden
Sweden and Denmark
Norway and Sweden
Iceland and Denmark
Romania and Moldova
Turkey and Bosnia-Herzegovina
The Netherlands and Belgium
Armenia and Russia
Russia and Belarus
Hungary and Romania
Poland and Ukraine
Portugal and Spain
Russia and Ukraine
Finland and Estonia
Azerbaijan and Turkey
Ireland and United Kingdom
Spain and Andorra
Serbia and Croatia
Serbia and Bosnia-Herzegovina

Diaspora voting
There is also said to exist "diaspora voting" where immigrants vote for their origin countries. These could be examples of diaspora voting:

Germany, United Kingdom, Netherlands, Belgium, Austria, Switzerland, Denmark and France to Turkey
Netherlands, Belgium and France to Armenia
Spain to Romania and Bulgaria
France to Portugal, Armenia and Israel
Sweden, Norway, Denmark, Austria, and Switzerland to Bosnia-Herzegovina and Serbia;
Hungary to Serbia or Romania
Portugal to Ukraine and Romania
United Kingdom to Ireland, Poland, Latvia, Lithuania, Israel, Greece and Cyprus
Ireland to Lithuania, Latvia, Poland and United Kingdom
Estonia, Latvia, Belarus, Ukraine, Moldova to Russia
Turkey to Bosnia-Herzegovina , Albania, Macedonia and Armenia
Germany to Turkey, Greece, Poland, Portugal, Serbia, Bosnia-Herzegovina and Croatia
Greece to Albania, Bulgaria and Armenia
Israel to Russia, Ukraine and Romania
France, Belgium and Switzerland to Spain
Switzerland to Portugal