It is our pleasure to invite you to participate in the 7th International Scientific Conference Trends in Regional Development in the EU Countries 2021, which is organised by the Department of Development Policy and Marketing IEaF, WULS-SGGW and Faculty of Economics and Social Development (Latvia University of Life Sciences and Technologies) and will be held on-line on October 22, 2021. More information is available at http://kprim.ieif.sggw.pl/en/conferences/ .