Spokesman Dmitry Peskov noted Putin held a phone call with Serbian President Aleksandar Vucic on Saturday.
A roundup of Monday's Russian press coverage pointed to Europe's push for a role in Ukraine negotiations and the resignation of Serbia's Vucic ahead of elections.
Aleksandar Vucic stepped down as president to seek the prime minister's post in an early parliamentary election, following nearly two years of protests in Serbia.
The Serbian head of state intends to run for the post of prime minister in the legislative elections in October.
Serbia's early parliamentary election is unlikely to resolve the political crisis or ease the pressure facing President Aleksandar Vucic, according to analysts.
Aleksandar Vucic stepped down as Serbia's president and will lead his ruling party into a snap parliamentary election.
Vucic's resignation follows prolonged protests over corruption allegations against his administration, the BBC reports.
Vucic intends to run again in snap elections despite months of student-led demonstrations challenging his rule.
Barred from a third presidential term, Vučić will lead his party into an early parliamentary election after nearly two years of protests.
Snap parliamentary elections will be held on October 25 following Vucic's announcement.
Serbian President Aleksandar Vucic has resigned, opening the way for early elections in the country.
Serbian President Aleksandar Vucic has resigned and is expected to run for prime minister, according to a breaking report.
Aleksandar Vucic stepped down as Serbia's president and is expected to run for prime minister in an October 25 vote as the country prepares for an early presidential election.
Aleksandar Vucic stepped down as Serbia's head of state, paving the way for him to run for prime minister as his party's candidate in the October parliamentary elections.
Sarah Bils said she relocated to Serbia, where she has continued covering geopolitical developments, according to TASS.
Russia's foreign minister said Belgrade is being offered an 'illusory' prospect of EU accession in exchange for sanctioning Russia, according to TASS.
The Russian and Serbian presidents held a call on energy, transport and healthcare cooperation as a key gas supply arrangement nears expiry.
Serbian President Aleksandar Vucic congratulated Russian President Vladimir Putin on the outcome of Russia's State Duma elections, according to TASS.
Russian President Vladimir Putin and Serbian President Aleksandar Vucic discussed the conflict in Ukraine and developments in the Balkans, the Kremlin reported.
Russian President Vladimir Putin spoke by phone with Serbian President Aleksandar Vucic in what the Kremlin described as a warm and friendly atmosphere.