Bulgaria
Greece and Turkey.
Belgium and Bulgaria.
Romania and Bulgaria.
Some European countries that begin with the letter "B" include Belgium, Bulgaria, and Bosnia and Herzegovina.
Two European countries that begin the letter "B" are Belgium and Bulgaria. Belgium is next to France and Germany, and Bulgaria is South of Romania, and North of Greece.
Belgium. Belarus. Bulgaria.
Romania, Bulgaria, Ukraine, Turkey, Georgia, Russia
It's the poorest of them all, I'm afraid.
Sofia is the capital city of Bulgaria. Countries, not cities, join the European Union. Bulgaria joined in 2007.
In general the Eastern European countries such as Bulgaria and Romania are worst, especially for air pollution.
The EMEA is an agency of the European Union. Therefore the countries includes are those that are the 27 countries in the European Union. These include Austria, Belgium, Bulgaria, France, Poland, Germany, United Kingdom and others.