|No||Host City||Date||Participants||Theme & Slogan|
|1st||Busan, Korea||September 2003||157 delegates from 32 cities in 8 Countries||Prosperity through Asia Pacific Cities Networks & Tourism Industry
Slogan: "Power of City Network"
|2nd||Fukuoka, Japan||September 2005||200 delegates from 32 cities in 8 Countries||Future Collaboration to Activate TPO Joint Projects
Slogan: "Next Stage of City Network"
|3rd||Guangzhou, China||August 2007||300 delegates from 44 cities in 8 Countries||The Stimulation of Tourism Industry through Attracting Tourism Investment
Slogan: "More Investment for Better Business"
|4th||Kota Kinabalu, Malaysia||September 2009||250 delegates from 30 cities in 8 Countries||Climate Change and Tourism|
|5th||Dalian, China||September 2011||200 delegates from 36 cities in 8 Countries||Crisis Management of the Tourism Industry|
|6th||Daejeon, Korea||September 2013||310 delegates from 36 cities in 8 Countries||Activiation of the regional cultural tourism industry through an international organization
Slogan: "Celebration of the 10th anniversary of TPO"
|7th||Sanya, China||May 2015||250 delegates form 35 cities in 10 Countries||The Innovative Stratege for the New Leap of TPO
Slogan: "New Leap of TPO"
|8th||Tongyeong, Korea||October 2017||349 delegates form 50 cities in 9 Countries||City Brand and Tourism|
|9th||Busan, Korea||September 2019||-||Common Prosperity in Tourism through Open Partnership|