Danny Cowley’s squad will spend a week in Murcia, where they will also take on opposition yet to be confirmed.
Before they jet off, the Blues will play their annual fixture against Hawks and travel to Gosport’s Privett Park.
On their return, games against Gillingham and Coventry have also been pencilled in.
But how does Pompey’s preparations for the upcoming League One campaign compare to their rivals?
We’ve taken a look at where each third-tier side will be heading and who they’re set to face.
21. Port Vale
Vale are also set to head out to Spain during their pre-season campaign and will also take on Kidsgrove Athletic and Rochdale upon their return. Photo: Eddie Keogh
22. Sheffield Wednesday
Darren Moore’s side will travel to Portugal for a warm weather training camp before returning to face Alfreton Town and Harrogate. Photo: Stu Forster
23. Shrewsbury
Salop will fly out to Spain for a training camp on July 2 and on their return have Telford and Cardiff pencilled in their fixture diary. Photo: PAUL ELLIS
24. Wycombe
Play-off finalists Wycombe have so far announced three pre-season fixtures with Gareth Ainsworth’s squad set to take on Bracknell Town, Aylesbury United and Chesham United. Photo: Justin Setterfield