The Republic of Poland is a Central European country, one of the twenty-seven sovereign states that make up the European Union. It borders the Baltic Sea to the north, comprises in its largest portion to the north part of the great European plain and to the south includes mountainous territory of the Sudetenland, the Carpathians and the Santa Cruz mountain range. Although the capital and most populous city is Warsaw, the academic-cultural center is the second largest city, Krakow.

Wroclaw is a city with the status of a district (or urban district) located in the Lower Silesian Voivodeship, in southwestern Poland, along the Oder River and between the Trzebnica and Sudeten Hills. In Wroclaw, two important trade routes converged: Via Regia and Amber Road.

Welcome to Krakow! Kraków (Polish: Kraków) is the capital of the Lesser Poland Voivodeship and one of the largest, oldest and most important cities in Poland. Located on the banks of the Vistula River, it has a population of 766,000 inhabitants, making it the second most populous city in Poland.

Prague is the capital of the Czech Republic and the Bohemian region. Located on the banks of the Vltava River, it has approximately 1.2 million inhabitants, which makes it the most populous city in the country and the seventh in Central Europe.

Poznań is one of the oldest and largest Polish cities (fifth by absolute population with 567,000 inhabitants and sixth by geographical extension), located on the banks of the Varta River.

Gdansk (in Polish, Gdańsk, in German: Danzig) is the sixth largest city in Poland and the largest port city in this country. Between 1975 and 1998 it was the capital of the defunct Gdansk Voivodeship and, since 1998.

Warsaw (in Polish: Warszawa) is the capital and largest city of Poland since 1596. It is also the seat of the President of the Republic, the Parliament and the rest of the central authorities. It has a population of 1,745,000 inhabitants2 (in 2014), which makes it the seventh most populous city in the European Union, with some 3,101,000 inhabitants in its metropolitan area.

Germany (in German, Deutschland), officially the Federal Republic of Germany, is one of the twenty-seven sovereign states that make up the European Union. Constituted as a social and democratic state of law, its form of government is the parliamentary and federal republic. Its capital is Berlin. It is made up of sixteen federal states (Bundesländer) and is bordered to the north by the North Sea, Denmark, Sweden (maritime border) and the Baltic Sea; to the east with Poland and the Czech Republic; to the south with Austria and Switzerland; and to the west with France, Luxembourg, Belgium and the Netherlands.

The Czech Republic, also known for short as the Czech Republic, is a sovereign landlocked Central European country. It borders Germany to the west, Austria to the south, Slovakia to the east and Poland to the north. Its capital and largest city is Prague.