Kensington Palace said Kate would undertake a two-day visit to Reggio Emilia in northern Italy, as part of her work focusing on early childhood development, the central theme of her public work.
The visit will centre on the "Reggio Emilia approach", which places relationships, the environment and community at the heart of a child's development and has influenced schools around the world.
"The princess is very much looking forward to visiting Italy next week and seeing first-hand how the Reggio Emilia approach creates environments where nature and loving human relationships come together to support children's development," a Kensington Palace spokesperson said.
Kate revealed in 2024 that she was undergoing chemotherapy for an unspecified form of cancer, and said last year she was in remission.
Since her illness, she has reduced her official workload, saying she was taking each day as it comes.
While her public appearances have gradually increased, she has not joined Prince William on any recent foreign trips.
Improving children's social and emotional wellbeing in their early years has become Kate's main campaigning issue.
Kate and William have three children: Prince George, 12, Princess Charlotte, 11, and Prince Louis, eight.
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