Centrope
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![PDF] Governance in new European regions: the case of Centrope ...](/imgres?imgurl=https://d3i71xaburhd42.cloudfront.net/2a6b666770731cf591e403b84c48d684655bbba7/10-Figure1.1-1.png&imgrefurl=https://www.semanticscholar.org/paper/Governance-in-new-European-regions%253A-the-case-of-Swiatek/2a6b666770731cf591e403b84c48d684655bbba7&h=812&w=1202&tbnid=Ki95rr1UriFB9M&q=Centrope&tbnh=101&tbnw=150&usg=AI4_-kQrlcPoGS_5KlVjd0671gLktwzlwQ&vet=1&docid=f57xVoeci1CDBM&sa=X&ved=2ahUKEwiBr63bwN2FAxXJFzQIHef-A8sQ9QF6BAgAEAk)
Centrope is an Interreg IIIA project to establish a multinational region in four Central European states: Slovakia, Austria, Hungary and the Czech Republic. The population of Centrope is 7,450,270. Wikipedia
Metro population: 7,450,270
Largest Cities: Vienna (1,931,593); Bratislava (475,503)