The festivities are set to get underway at Ly Thai To flower garden in Hanoi on October 12.
With messages of peace, more than 2,000 participants, including 1,000 representatives of international organizations and foreign embassies are expected to participate in the event.
Nearly 1,000 students will also participate in a walk for peace.
A wide range of activities such as an art street festival, drawing competitions, martial art performance, and releasing of doves will be organized.
Coming to the event, children will have a chance to write their wishes on a dove painting.