Having been inspired by working on the above, below is another extremely rough map that I've only just finished for my vignette,
The Last War, which is the world wherein World War I never happened.
The states of Europe in 2018:
Republic of Albania
Principality of Andorra
Republic of Armenia*
Kingdom of Belgium
Republic of Bulgaria
Caucasian Federation*
Free Republic of Constantinople
Republic of Crimea
Kingdom of Denmark
Workers' Republic of Estonia
Republic of Finland
French Republic
Republic of Georgia^
Workers' Republic of Germany
Greek Republic
Kingdom of Hungary
Kingdom of Iceland
Kingdom of Italy
Commonwealth of Lithuania and Latvia
Republic of Liechtenstein
Grand Duchy of Luxembourg
Kingdom of the Netherlands
Kingdom of Norway
Commonwealth of Poland
Republic of Portugal^
Republic of Romania
United Free Democratic Republic of the Russias*
Republic of San Marino*
Kingdom of Serbia^
Spanish Republic
Kingdom of Sweden
Swiss Confederation
Tripartite Monarchy of Austria, Bohemia and Croatia
Republic of Turkey*
United Kingdoms of Great Britain and Ireland
Vatican City
* - not a member of the United States of Europe
^ - suspended from attending the Senate of the United States of Europe in Strassburg