Rock im Park festival runs from June 2-4, 2017 in Nuremberg, Germany, while Rock am Ring will be held between the same dates in Mendig, Germany.
System Of A Down will headline both events, alongside German punks Die Toten Hosen.
Macklemore & Ryan Lewis, Bastille, Prophets of Rage, In Flames and Pierce The Veil have also been confirmed.
The ‘Chop Suey’ rockers are said to be working on new material after sharing photos that appear to show them in the recording studio.
System Of A Down will play the following dates:
Jun 07 – Open Air Zenith: Nancy, France
Jun 10 – Download Festival: Paris, France
Jun 12 – O2 Arena: Prague, Czech Republic
Jun 17 – Impact Festival: ?ód?, Poland
Jun 20 – Nimes Festival: Nimes, France
Jun 23 – Download Festival: Madrid, Spain
Jul 02 – Main Square Festival: Arras, France