The text is a report on 'The Second Congress of Polish Scientific Societies Abroad'. The Congress took place in Kraków, Poland from September 4 to September 7, 2008. The Congress was organized by the Polish Academy of Arts and Sciences (PAU), the Krakow branch of the 'Wspólnota Polska' (Polish Community) association of Jagiellonian University and AGH University of Science and Technology. The aim of the Congress was to present the work and achievements of Polish scientific societies abroad, as well as to discuss some of their problems, and enable cooperation between Polish scholars working in Poland and abroad. The Congress was opened by the President of PAU, Professor Andrzej Bialas who welcomed many prominent guests, including the Prime Minister of Poland, Donald Tusk. It was divided into several thematic sessions related to such issues as: changes in Polish migration patterns, new emigration, changes in Polish diaspora communities, and problems of Polish scientific organizations abroad. Additionally, there was a symposium regarding Polish engineers in Poland and abroad, which took place at AGH Conference Center. The report gives an overview of the papers presented by the speakers and mentions additional cultural events organized for the participants.