The head of state said this on Twitter, Ukrinform reports.
"Talked to the Prime Minister of Spain, Pedro Sanchez. Thanked for the endorsement of the European Commission’s decision on candidate status for Ukraine. Discussed possible outcomes of the NATO summit in Madrid. Food security was also on the agenda," Zelensky said.
Earlier reports said that President Volodymyr Zelensky would address the NATO summit in Madrid on June 29-30 via video link.