Azerbaijan is 2.8 times larger than Belgium.
Area: 86,600 km2 World Factbook
Population: 9,686,210 (July 2014) World Factbook
Azerbaijan, officially the Republic of Azerbaijan, is the largest country in the Caucasus region located at the crossroads of Western Asia and Eastern Europe. It is bounded by the Caspian Sea to the east, Russia to the north, Georgia to the northwest, Armenia to the west and Iran to the south. Wikipedia
Area: 30,528 km2 World Factbook
Population: 10,449,361 (July 2014) World Factbook
Belgium, officially the Kingdom of Belgium, is a federal monarchy in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters as well as those of several other major international organisations such as NATO. Wikipedia