Two Chinese tourists were captured in Berlin for making Hitler salutes outside the German parliament on Saturday.
Criminal procedures have been begun against the moderately aged men for utilizing images from a restricted association.
The tourists have been released on safeguard of €500 (£450; $600) each.
Germany has strict laws on despise discourse and images connected to Hitler and the Nazis.
The men – matured 36 and 49 – could confront a fine or a jail sentence of up to three years, as indicated by police.
Similar charges are most generally used to arraign individuals from the far right.
A police representative disclosed to AFP news office that the men could leave the nation amid the examination and that if a fine is handed down, the safeguard cash they had officially paid would presumably cover it.
The guests were seen taking photos of each other with their mobile phones outside the Reichstag building, which houses the German parliament.