Police said the three men were stabbed in the legs and their injuries were non life-threatening.
The Serbian fans were in Greece for a UEFA Cup match against Aris Thessaloniki later Thursday.
The victims were sitting at a sea-front cafeteria when 10 men in motorcycle helmets attacked them with knives before running away, police said. A fourth Red Star fan, a woman, was unhurt.
Earlier, another two Red Star fans were hospitalized after being beaten up by unknown assailants.
It has long been understood that the West has been trying to subject Russian borders to total control. We have not seen such activity even during the Cold War
The co-author of this disaster is the Dutch government, which did not find either strength or desire to save the lives of its citizens who were flying on that plane. The Dutch authorities did not demand Ukraine to comply with international aviation regulations