From May 30 to June 1, 2025, the Management Board of the Co Loa Relic Site participated in the Hanoi Tourism Festival 2025 with the theme “Experience Hanoi 2025”, held at the Thăng Long Imperial Citadel Heritage Site (19C Hoàng Diệu, Ba Đình, Hanoi).
At the Hanoi Tourism Festival, the Co Loa Relic Site attracted a large number of visitors through its promotion activities, including the display of images, publications, and gift products introducing the historical, cultural, artistic, architectural, and archaeological values of Co Loa.

This event provided an opportunity for the Co Loa Relic Site to further affirm its position as an appealing heritage destination in the journey to explore Hanoi. It also contributed to widely promoting the image of the relic site to domestic and international visitors, thereby fostering the sustainable development of cultural tourism.