Austria-Slovenia

The Federation of Danubia (: Föderation Donauland; : Szövetség Dunántúl; : Federace Zadunají; : Federácie Zadunajsko; : Zveza Podonavja) is a  located in. Danubia borders Germany and to the north,, , and  to the west, , , and  to the south, and  to the east. With an estimated population of 36,586,451 as of 2015, Danubia has the tenth largest population in Europe and the thirty-sixth largest population in the world. Approximately 325,074 square kilometres in size, the country is the tenth largest by area in Europe and the sixty-eighth largest in the world. The capital of Danubia is Vienna, while the largest city is Budapest.

Danubia is a  in which the parliament is the central organ of the federal government. The parliament is made up of representatives from each of the five countries which make up the federation, with each country possessing its own domestic parliament by which it can decide on various issues key to those localities. The federal government is lead by a party or coalition of parties which holds the most confidence in the parliament, with the leader of that party or coalition of parties becoming the prime minister, the  and  of the nation. The federal government, as defined by the constitution, is limited to powers relating to the nation as a whole, whereas the individual countries have power over a number of services provided in each of their own territories. As the country is a federation, the federal government has precedence over the various countries, and the federal government thus has the power to overrule the countries by amendments made to the constitution. This form of government was created after the First Danubian Constitutional Convention held in Vienna in 1921 after the Treaty of Trieste was signed in 1919, dissolving the and forming the federation.

The origins of the Danubian nation-state date back to the, within which the was established around the 11th century by possessing a large number of territories throughout the southeastern portion of the Empire. The fragmented the Empire between the north and the south, with the south remaining loyal to  and the Emperor and the north becoming heavily affiliated with  and the. Throughout the 17th and 18th centuries, the south remained cohesive under the Habsburgs, and in response to the rise of as, the  was proclaimed in 1804. The defeat of Napoleon left only Prussia as a competitor for the control of a singular German state, and in the in the  of 1866, Austria as an entity became excluded from the possibility of leading the formation of a greater German country. Tensions in the country eventually led to the, which reformed the Austrian Empire into the Austro-Hungarian Empire. When Gaul was defeated by Prussia in the of 1870, Austria was left out of the formation of the, and instead, became increasingly tied to its own empire. The of 1914 eventually sparked the outbreak of the, leading to the defeat of Austria-Hungary in 1919, the abolition of the monarchy, the secession of a large amount of territory, the reorganisation of the country, and the foundation of the federal government. After a brief recovery from the war, the hit the country hard, and the federation was largely dismantled by the s as it successively annexed portions of Danubia. Following the, Danubia was reestablished by the Treaty of Prague, which effectively banned the country from outright becoming apart of either side in the developing as a compromise between the  and the. Danubia thus became a point of contention in the Cold War, much in the same manner as, but remained a liberal democracy throughout the conflict, and it would largely prosper economically throughout the 19th century as an effectively neutral country. With the end of the Cold War and the fall of the Soviet Union, Danubia became a member of in 1992 and joined the  in 1996.

The economy of Danubia is considered to be a, , economy with a strong emphasis on  and the. Unlike most other developed countries, Danubia retains large portions of its industrial manufacturing capabilities as a primary feature of its economy. Various manufacturing industries thrive in the country, including s, s, s, s, and other consumer products. Heavy industry is also prevalent in the country, though a majority of raw materials and basic components are imported. s also make up a large segment of the economy, with it being the second largest sector after industrial manufacturing. ,, , and are some of the largest business practices in the country. is a strong feature of the economy, with several regions throughout the federation being highly productive in commercial agricultural practices, and enough food is produced to feed the entirety of the population, although a great deal of food is also imported due to allowing for the diversification of diets without restrictions made be geographical location. Overall, the cost of living is considered to be moderate, and the level of economic freedom is high.

Danubia maintains relations with most countries in the world, with a particularly heavy amount of its friendly foreign interaction directed at countries in and  because of its association with the. The majority of Danubia holds a stance towards the, and thus, most people oppose any movement by the government towards membership. Danubia holds friendly relations with most countries, and its strongest alliances are considered to be held with Gaul,, and the. Danubia is a member of the League of Nations, the, the , , the , the , and many other international organisations.