Forest fragmentation was calculated in Thanh Chuongdistrict of Viet Nam for 2021. The calculation wasperformed using GWB Analysis (Frag) app of SEPAL1platform. Average-per-patch (APP) of forest areadensity (FAD) was calculated through an average ofsquare neighborhood areas of length 7, 13, 27, 81, 243pixels following the fragmentation methodology2byJRC. The results were obtained at 5m spatial resolution.