UIA Union of International Associations
Vienna: Still Among the World's Leading Conference Cities
Vienna consolidates its position as a leading global conference destination: after taking first place in the prestigious ranking of the International Congress and Convention Association (ICCA) in May, the city has now achieved second place worldwide for the third time in a row in the latest congress ranking of the Union of International Associations (UIA) for 2024.
July 4, 2025
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