On Friday, dozens of relatives, friends and colleagues attended the funeral service for Viktoriia Roshchyna at St Michael's Cathedral before heading to Independence Square in the centre of the Ukrainian capital.
The coffin was closed, an unusual practice in the Orthodox country.
"She is the bravest person, the bravest journalist, I have ever met in my life," Ukrainska Pravda editor-in-chief Sevgil Musayeva said.
Ukrainian President Volodymyr Zelenskiy honoured the journalist posthumously with the Order of Freedom.
"Viktoriia was one of those who spoke the truth about the war. She worked on the frontlines and in temporarily occupied territories, risking her life," he wrote on X.
The 27-year-old was arrested while researching in Russian-occupied parts of Ukraine in August 2023.
Ukrainian and international media outlets investigated her detention and subsequent death.
Her death was announced in October 2024, with the date of death given by the Russian side as 19 September 2024.
According to the Ukrainian public prosecutor's office, the body showed signs of torture and was only returned to Ukraine in February.
A DNA test proved her identity.
Ukraine has been defending itself against the Russian invasion for more than three years.
Ukrainian investigators repeatedly accuse Russia of torturing prisoners of war and even killing them in custody.
Human Rights Watch has described Russia's treatment of the young reporter as "abhorrent".
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