The Reds will be based in the southern state of Baden-Württemberg, where they will continue to work towards the start of the new campaign over the course of 10 days.
Liverpool will also face Karlsruher SC and Greuther Furth in friendly fixtures.
Jürgen Klopp told Liverpoolfc.com: “[It will be] super-important. Super, super-important. We have a lot of sessions there, not a lot of spare time, I would say. Two games, one in the middle, one at the end. Yeah, very important.
“So, there are now not too many new players but [we have] a lot of young players, of course, in and young players for who the door is open, who can play a different role next season.