formed Upper Silesian Metropolitan Union is the largest legally recognized urban entity in Poland with a population of 2 million. Nine million people live within of Stadion Śląski in Chorzów. Six European capitals are located within : Berlin, Vienna, Prague, Bratislava, Budapest and Warsaw. Climate The average annual temperature in Chorzów is . The annual precipitation is . Weak West winds (less than 2 m/s) prevail. Demographics Detailed data as of 31 December 2021: Economy Chorzów used to be one of the most important cities in the largest Polish economic area (the Upper Silesian Industry Area) with extensive industry in coal mining, steel, chemistry, manufacturing, and energy sectors. Many heavy-industry establishments were closed or scaled down in the last two decades because of environmental issues in the center of a highly urbanized area, and also because of decades-long lack of investment. Others were restructured and modernized. Wedged between a dozen of other cities, the population has been decreasing. The city character has been evolving towards the service economy as new industrial development takes mostly place at the border of the Upper Silesian Metropolitan Union. The Unemployment rate is high (12.6% on 2007-12-31) but decreasing; the workforce is generally highly technically skilled. Major industrial establishments are: Huta Batory – steel Huta Kościuszko SA – steel Chorzów Power Station Zakłady Chemiczne Hajduki SA – carbochemistry Zakłady Azotowe SA – nitrogen fixation and methanol Alstom-Konstal – transport manufacturing and construction KWK Polska Wirek, rejon Prezydent – coal mine ProLogis – logistics Messer – technical gases Transport Car: Freeway A4: from German Autobahn A4 at Görlitz/Zgorzelec to Wrocław-Gliwice-Chorzów (Batory)-Katowice-Kraków (and towards Ukraine) Express Route (DTŚ): Katowice-Chorzów-Ruda Śląska-Zabrze National Route DK79: Katowice-Chorzów-Bytom Three railway stations on two major routes: Katowice-Chorzów Batory-Gliwice Katowice-Chorzów Batory-Chorzów Miasto-Chorzów Stary-Bytom Air: Katowice International Airport Public transport: Chorzów is well connected within the Upper Silesian Metropolitan Union with Bus lines and tram lines. Silesian Interurbans is one of the largest streetcar systems in the world, in existence since 1894. The system spreads for more than (east-west) and covers the following cities: Będzin, Bytom, Chorzów, Czeladź, Dąbrowa Górnicza, Gliwice, Katowice, Mysłowice, Ruda Śląska, Siemianowice Śląskie, Sosnowiec, Świętochłowice, and Zabrze. Higher education Within the city limits of Chorzów: University of Silesia (Uniwersystet Śląski), two faculties WSB Universities – WSB University in Chorzów (Wyższa Szkoła Bankowa) Górnośląska Wyższa Szkoła Pedagogiczna (Upper-Silesian Teachers College) Górnośląska Wyższa Szkoła Przedsiębiorczości im. Karola Goduli (Karl Godulla Upper-Silesian Higher