Powszechna Kasa Oszczędności Bank Polski Spółka Akcyjna or PKO Bank Polski S.A., in short PKO BP or simply PKO, is a multinational banking and financial services company headquartered in Warsaw, Poland. It is one of the largest financial institutions in Poland and in Central and Eastern Europe. PKO BP provides services to both individual and business clients, with a core business in Polish retail banking. As of 2018, it had 1,145 branches located in Poland and abroad and a market capitalization of 52 billion Polish złoty, equivalent to 13.8 billion US dollar. Wikipedia