Information:  - Stadion Slaski is a sport stadium located in the Slaskie region of Poland . It was opened in 1956 and has a capacity of 54,477 .  - Pozna (known also by other historical names) is a city on the Warta river in west-central Poland, in the Greater Poland region. It is best known for its renaissance Old Town, destroyed during World War II and then rebuilt, and Ostrów Tumski Cathedral. Today, Pozna is an important cultural and business centre and one of Poland's most populous regions with many regional customs such as Jarmark witojaski, traditional Saint Martin's croissants and a local dialect.  - Wrocaw (, ; ) is the largest city in western Poland. It is on the River Oder in the Silesian Lowlands of Central Europe, roughly 350 kilometres (220 mi) from the Baltic Sea to the north and 40 kilometres (25 mi) from the Sudeten Mountains to the south. Wrocaw is the historical capital of Silesia and Lower Silesia. Today, it is the capital of the Lower Silesian Voivodeship. At various times in history, it has been part of the Kingdom of Poland, Bohemia, Hungary, the Austrian Empire, Prussia and Germany. It became part of Poland in 1945, as a result of the border changes after the Second World War. The population of Wrocaw in 2016 was 637,075 making it the fourth-largest city in Poland and the main city of Wrocaw agglomeration.  - The Czech Republic, also known by the short name Czechia, is a nation state in Central Europe bordered by Germany to the west, Austria to the south, Slovakia to the east and Poland to the northeast. The Czech Republic covers an area of with mostly temperate continental climate and oceanic climate. It is a unitary parliamentary republic, has 10.5 million inhabitants and the capital and largest city is Prague, with over 1.2 million residents. The Czech Republic includes the historical territories of Bohemia, Moravia, and Czech Silesia.  - Szczecin (German and , known also by other alternative names) is the capital city of the West Pomeranian Voivodeship in Poland. Located near the Baltic Sea, it is a major seaport and Poland's seventh-largest city. As of June 2011, the population was 407,811.  - Gdask (German: ) is a Polish city on the Baltic coast. It is the capital of the Pomeranian Voivodeship, Poland's principal seaport and is also the centre of the country's fourth-largest metropolitan area.  - Warsaw (; see also other names) is the capital and largest city of Poland. It stands on the Vistula River in east-central Poland, roughly from the Baltic Sea and from the Carpathian Mountains. Its population is estimated at 1.750 million residents within a greater metropolitan area of 3.105 million residents, which makes Warsaw the 9th most-populous capital city in the European Union. The city limits cover , while the metropolitan area covers .  - Poland, officially the Republic of Poland, is a country in Central Europe, situated between the Baltic Sea in the north and two mountain ranges (the Sudetes and Carpathian Mountains) in the south. Bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine and Belarus to the east; and the Baltic Sea, Kaliningrad Oblast (a Russian exclave) and Lithuania to the north. The total area of Poland is , 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 8th most populous country in Europe and the sixth most populous member of the European Union. Poland is a unitary state divided into 16 administrative subdivisions, and its capital and largest city is Warsaw. Other metropolises include Kraków, Wrocaw, Pozna, Gdask and Szczecin.  - The Baltic Sea (  ; ) is a sea of the Atlantic Ocean, enclosed by Scandinavia, Finland, the Baltic countries, and the North European Plain. It includes the Gulf of Bothnia, the Bay of Bothnia, the Gulf of Finland, the Gulf of Riga, and the Bay of Gdask. The sea stretches from 53°N to 66°N latitude and from 10°E to 30°E longitude. A mediterranean sea of the Atlantic, with limited water exchange between the two bodies, the Baltic Sea drains through the Danish islands into the Kattegat by way of the straits of Øresund, the Great Belt, and the Little Belt.  - Slovakia, officially the Slovak Republic, is a landlocked country in Central Europe. It is bordered by the Czech Republic and Austria to the west, Poland to the north, Ukraine to the east and Hungary to the south. Slovakia's territory spans about and is mostly mountainous. The population is over 5 million and comprises mostly ethnic Slovaks. The capital and largest city is Bratislava. The official language is Slovak, a member of the Slavic language family.  - Ukraine (tr. ) is a sovereign state in Eastern Europe, bordered by Russia to the east and northeast, Belarus to the northwest, Poland and Slovakia to the west, Hungary, Romania, and Moldova to the southwest, and the Black Sea and Sea of Azov to the south and southeast, respectively. Ukraine is currently in territorial dispute with Russia over the Crimean Peninsula which Russia annexed in 2014 but which Ukraine and most of the international community recognise as Ukrainian. Including Crimea, Ukraine has an area of , making it the largest country entirely within Europe and the 46th largest country in the world. It has a population of about 44.5 million, making it the 32nd most populous country in the world.  - Kaliningrad Oblast ("Kaliningradskaya oblast") is a federal subject of the Russian Federation that is located on the coast of the Baltic Sea. As an oblast, its constitutional status is equal to each of the other 84 federal subjects. Its administrative center is the city of Kaliningrad, formerly known as Königsberg. It is the only Baltic port in the Russian Federation that remains ice-free in winter. According to the 2010 census, it had a population of 941,873.  - The European Union (EU) is a political and economic union of member states that are located primarily in Europe. It has an area of , and an estimated population of over 510 million. The EU has developed an internal single market through a standardised system of laws that apply in all member states. EU policies aim to ensure the free movement of people, goods, services, and capital within the internal market, enact legislation in justice and home affairs, and maintain common policies on trade, agriculture, fisheries, and regional development. Within the Schengen Area, passport controls have been abolished. A monetary union was established in 1999 and came into full force in 2002, and is composed of 19 EU member states which use the euro currency.  - Lithuania (UK and US: ), officially the Republic of Lithuania, is a country in Northern Europe. One of the three Baltic states, it is situated along the southeastern shore of the Baltic Sea, to the east of Sweden and Denmark. It is bordered by Latvia to the north, Belarus to the east and south, Poland to the south, and Kaliningrad Oblast (a Russian exclave) to the southwest. Lithuania has an estimated population of 2.9 million people , and its capital and largest city is Vilnius. Lithuanians are a Baltic people. The official language, Lithuanian, along with Latvian, is one of only two living languages in the Baltic branch of the Indo-European language family.  - Kraków, also Cracow or Krakow, is the second largest and one of the oldest cities in Poland. Situated on the Vistula River in the Lesser Poland region, the city dates back to the 7th century. Kraków has traditionally been one of the leading centres of Polish academic, cultural, and artistic life and is one of Poland's most important economic hubs. It was the capital of the Crown of the Kingdom of Poland from 1038 to 1569; the PolishLithuanian Commonwealth from 1569 to 1795; the Free City of Kraków from 1815 to 1846; the Grand Duchy of Cracow from 1846 to 1918; and Kraków Voivodeship from the 14th century to 1998. It has been the capital of Lesser Poland Voivodeship since 1999.  - Belarus ( lat. ', ), officially the Republic of Belarus, formerly known by its Russian name Byelorussia (though this name is no longer used in Belarus itself, even in Russian language), is a landlocked country in Eastern Europe bordered by Russia to the northeast, Ukraine to the south, Poland to the west, and Lithuania and Latvia to the northwest. Its capital and most populous city is Minsk. Over 40% of its is forested. Its strongest economic sectors are service industries and manufacturing. Until the 20th century, different states at various times controlled the lands of modern-day Belarus, including the Principality of Polotsk (11th to 14th centuries), the Grand Duchy of Lithuania, the PolishLithuanian Commonwealth, and the Russian Empire.    What entity does 'silesian stadium' has the relation 'owned by' with?
silesian voivodeship