List of the busiest airports in the Balkans
The following list is for all of the countries to occupy Balkan territory with the exception of and , the information contained is for all airports on those territories.
Sometimes the European part of is considered part of the Balkan Peninsula. The Istanbul Atatürk Airport is located there. It had 67,981,446 passengers in 2018, placing it on the top spot in the list. The ( ) Romanian airports that are considered to be on the Balkan Peninsula are Mihail Kogălniceanu International Airport in Constanța and Tulcea Airport in Tulcea. They have respectively 129,235 and 158 passenger traffic.
European integration
The Bologna declaration was signed in 1999 by 29 countries, all EU members or candidates at the moment (except Cyprus which joined later) and three out of four EFTA countries: Austria, Belgium, Bulgaria, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, and United Kingdom. Croatia, Cyprus, Liechtenstein, and Turkey joined in 2001. In 2003, Albania, Andorra, Bosnia and Herzegovina, the Holy See (a Council of Europe permanent observer), Macedonia, Russia, and Serbia signed the convention. Armenia, Azerbaijan, Georgia, Moldova and Ukraine followed in 2005. Montenegro joined in 2007. Finally, Kazakhstan (not a member of the Council of Europe) joined in 2010. This makes a total of 47 member states. Monaco and San Marino are the only members of the Council of Europe which have not adopted the convention. The other European nation that is eligible to join, but has not, is Belarus.