The first UPoN conference was held in Szeged, Hungary in 1996. All the past 9 editions are listed below, from the most recent back to the first one. If available, you can follow the “link to webpage” for detailed information on a specific edition. 

• 9^th edition (2024):Budapest, Hungary (link to webpage).
• 8^th edition (2018): Gdańsk, Poland (link to webpage).
• 7^th edition (2015): Barcelona, Spain (link to webpage).
• 6^th edition (2012): Kolkata, India.
• 5^th edition (2008): Lyon, France (link to webpage).
• 4^th edition (2005): Gallipoli, Italy
• 3^rd edition (2002): Washington, DC, USA
• 2^nd edition (1999): Adelaide, Australia. 
• 1^st edition (1996): Szeged, Hungary