Poland /ˈpoʊlənd/ (Polish: Polska), officially the Republic of Poland (Polish: Rzeczpospolita Polska), is a country in Central Europe, bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus to the east; and the Baltic Sea and Kaliningrad Oblast (a Russian exclave) and Lithuania to the north. The total area of Poland is 312,679 square kilometers (120,726 sq mi), making it the 69th largest country in the world and the 9th largest in Europe. With a population of over 38.5 million people, Poland is the 34th most populous country in the world, the sixth most populous member of the European Union, and the most populous post-communist member of the European Union.
Poland in 1632
At the time of the Ring of Fire, what was Poland in the OTL was half of the Polish-Lithuanian Commonwealth. This union was formed by the 1569 Union of Lublin between the Kingdom of Poland and the Grand Duchy of Lithuania.