Ušakov pointed out that the strategic cooperation between Russia and Serbia is mutually beneficial, Interfax reported.
"In addition to discussions on bilateral issues, opinions on the situation in the Western Balkans will also be exchanged," he said.
On May 8, the President of Serbia was supposed to travel to Moscow for a military parade on the occasion Victory Day, where 29 foreign leaders should gather.
But his departure was called into question after he abruptly ended his visit United States of America, due to health problems.