“…Perkmann, 1999Perkmann, , 2007Blatter & Clement, 2000;Scott, 2012;Dołzbłasz & Raczyk, 2015;Wassenberg et al, 2015;Medeiros, 2018;Decoville & Durand, 2019;Noferini et al, 2020;Nijkamp, 2021). Cross-border cooperation is considered a very important element in the formation of borderlands, and a key pillar of European integration (Komornicki, 2021). It has also been the subject of extensive debate relating to the regional-policy paradigm as it relates to border regions (Jakubowski & Miszczuk, 2021).…”