According to him, the reason for the exclusion of Russia was the reunification with Crimea, as well as the Ukrainian situation.
"Until this issue is resolved, I see no opportunity to invite Russia," Rheinishe Post quoted Maas.
The minister also disagreed with the proposal of US President Donald Trump to invite India, South Korea and Australia to the summit.
On May 30, it was reported that German Chancellor Angela Merkel has not yet agreed to full-time participation in the G7 summit proposed by US President Donald Trump.