My article will focus on the influence of the event that took place in Poland in 2012, namely the European Football Championship. UEFA 2012, how it changed different parts of the Polish economy and what other possible changes could be in the development of this country. Sports championships provide a great opportunity for growth, especially for developing countries, which was talked about a lot last time. This is a benefit attraction factor that may occur in some countries. This kind of event could only make the economy better. We can customize the same assumptions with the event that took place in Poland in 2012, “UEFA EURO 2012”, which was, I believe, one of the biggest Polish projects in recent years. I will analyze how the events affected the Polish economy, what effects are visible today and what effects could be in the future. Induction effects for the future will be based on various sources of changes in the components of gross domestic product (GDP) and the drivers of these changes. Poland is a developing country in Central Europe. Considering this type of influence, it is worth understanding how the international interaction event can influence the growth of Poland, as an example of a developing country. The aim of this article is to verify and evaluate changes in the distribution of Polish GDP. The comparison of the economic situation of Poland, before, during and after the Championships, in different concepts of long duration and jersey period, and the effects of the events observed currently in the Polish economic situation. I will focus on GDP and how different sectors of the economy influenced it.UEFA EURO 2012 was the fourteenth UEFA European Championship, which is a men's national team football competition of members of the Union...... middle of paper ....../pozostale/44741-efekt-polski-sukces-euro-2012-powyej-oczekiwa.html25. http://www.newseria.pl/news/gospodarcze_efekty_euro,p84395425726. http://inwestor.msp.gov.pl/portal/si/338/21790/Mistrzostwa_Europy_w_pilce_noznej_EURO_2012_i_ich_wplyw_na_polska_gospodarke.html27. http://inwestor.msp.gov.pl/portal/si/338/22846/28. http://www.turystykakulturowa.org/pdf/2012_09_03.pdf29. http://pzpn.pl/index.php/pol/Federacja/Aktualnosci/Efekt-Polski-Sukces-Euro-2012-powyzej-oczekiwan30. pzpn.pl/index.php/pol/Federacja/Aktualnosci/Efekt-Polski-Sukces-Euro-2012-powyzej-oczekiwan31. Table- http://www.money.pl/gospodarka/wskazniki/pkb/32. http://www.bankier.pl/wiadomosc/Upadlosc-firm-w-Polsce-w-III-kwartalach-2012-roku-2646903.html33. http://wyborcza.biz/biznes/1,101562,12795488,Wieksza_liczba_upadlosci_duzych_firm___najgorzej_wyglada.html34. http://www.bibula.com/?p=58342