The research explores the role of historical heritage in bolstering sustainable tourism, with a keen focus on Akbarieh Garden, a renowned UNESCO world heritage site situated in Birjand, Iran. Historical heritage sites often present a unique intersection between the preservation of cultural legacy and the promotion of local economies through tourism. Sustainable tourism emphasizes the balance between environmental, economic, and socio-cultural aspects, ensuring that these attractions remain preserved for future generations while still benefiting present-day communities.