Out of universe[]
Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative voivodeship provinces, covering an area of 312,696 km2 (120,733 sq mi). Poland has a population of over 38 million and is the fifth-most populous member state of the European Union. Warsaw is the nation's capital and largest metropolis. Other major cities include Kraków, Wrocław, Łódź, Poznań, and Gdańsk.
Poland has a temperate transitional climate, and its territory traverses the Central European Plain, extending from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south. The longest Polish river is the Vistula, and Poland's highest point is Mount Rysy, situated in the Tatra mountain range of the Carpathians. The country is bordered by Lithuania and Russia to the northeast, Belarus and Ukraine to the east, Slovakia and the Czech Republic to the south, and Germany to the west. It also shares maritime boundaries with Denmark and Sweden.
In universe[]
During World War II, S.H.I.E.L.D. Agents, Canadian S.A. Logan, and American S.A. Rogers were deployed on a special mission in Poland to Escape and Evade. There, they liberated many Jewish prisoners, one of which was a young boy named Erik Lehnserr who later grew to be Magneto and had a long-time hatred for mankind due to the way mutants were treated