The Heritage Fiesta 2023 is currently on (until 30 November) at ten heritage properties across Hong Kong:
"The participating declared monuments and graded historic buildings include Cattle Depot Artist Village (Ex-Ma Tau Kok Animal Quarantine Depot), Flagstaff House Museum of Tea Ware (Flagstaff House), Green Hub (Old Tai Po Police Station), Health Education Exhibition and Resource Centre (Block S4 of Former Whitfield Barracks), Hong Kong Heritage Discovery Centre (Block S61 and S62 of Former Whitfield Barracks), Lady Ho Tung Welfare Centre Eco-Learn Institute (Lady Ho Tung Welfare Centre), Block 7, 10 and 25, Lei Yue Mun Park (Block 7, 10 and 25 of old Lei Yue Mun Barracks), The HKFYG Leadership Institute (Former Fanling Magistracy), The Pokfulam Farm (Old Dairy Farm Senior Staff Quarters) and Woodside Biodiversity Education Centre (Woodside)."
More details are at: https://www.heritage.gov.hk/en/about-us/events-and-promotions/index_id_1053.html