The evenings, run by the P&O partnership team, will give agents all the news and product information they need to book the line’s 5,200-passenger vessel, which goes on sale in September.
Iona is currently under construction at the Meyer Werft shipyard in Papenburg and will be launched in May 2020.
P&O revealed in January that it will be adding a sister ship to Iona, due to enter service in 2022.
Quizzes will be held in Cardiff and Liverpool on August 23; Leeds on August 28; Manchester on August 29 and Glasgow and Ipswich on August 30.