States of Austria arable terrain. The other five states, in contrast, are located in the Alps and thus are comparatively unsuitable for agriculture. Their terrain is also relatively unfavourable to heavy industry and long-distance trade. Accordingly, the population of what now is the Republic of Austria has been concentrated in the former four states since prehistoric times. Austria's most densely populated state is the city-state of Vienna, the heart of what is Austria's only metropolitan area. Lower Austria ranks only fourth with regard to population density even though it contains Vienna's suburbs; this is due to large areas of land being predominantly agricultural.
Commonwealth of Independent States Free Trade Area with effect from 2 January 2016. Agreements between Ukraine and other EEU states within the free trade area remain in effect. An overview of signatures and ratifications is shown below: Commonwealth of Independent States Free Trade Area Commonwealth of Independent States Free Trade Area (CISFTA) is a free trade area between Russia, Ukraine, Belarus, Uzbekistan, Moldova, Armenia, Kyrgyzstan, Kazakhstan and Tajikistan. Five CISFTA participants, all except Ukraine, Uzbekistan, Moldova and Tajikistan, are members of the Eurasian Economic Union, comprising a single economic market. The Commonwealth of Independent States Free Trade Zone Agreement, proposed since the breakup of the Soviet Union