Ukrainian President Volodymyr Zelenskiy will address Greece's parliament on April 7, parliament officials said on Monday.
Zelenskiy accepted an invitation to address the assembly virtually from its speaker, Constantinos Tasoulas, following a telephone call with Prime Minister Kyriakos Mitsotakis on Friday.
"It's important that Greek parliament listens to the message of a president, who along with his country, is defending himself against a barbaric and illegal invasion," Mitsotakis said after an EU Summit in Brussels.
Zelenskiy's address is scheduled to start at noon (0900 GMT).
Greece is coordinating with France and other countries to organise a humanitarian aid mission to Mariupol, a southern Ukrainian port city of 400,000 before the war where thousands of ethnic Greeks live, which has been one of the worst hit in the Russian invasion.
Russia says it is carrying out "a special military operation" in Ukraine.
Heavy rain hampered rescue efforts in India's Himalayan state of Uttarakhand on Wednesday, a day after sudden flooding and landslides killed four people and left dozens missing.
US envoy Steve Witkoff arrived in Moscow on Wednesday on a last-minute mission to seek a breakthrough in the Ukraine war, two days before the expiry of a deadline set by President Donald Trump for Russia to agree to peace or face new sanctions.
Rescue crews raced on Wednesday to clear debris and flooded roads as southern China braced for more extreme rainfall and spreading infection after some of the worst downpours this century, as East Asian monsoon rains peak.
At least four people were killed after a civil protection surveillance plane crashed at Jijel Ferhat Abbas airport in the north Algerian town of Taher, Algerian media reported, citing civil protection authorities.