From the Wikipedia page [1]
Budi County is an administrative area of Namorunyang State. Before the reorganisation of states in 2015, it was a part of Eastern Equatoria state in South Sudan, with headquarters in Chukudum.
Budi county is located in the south of Namorunyang State, bordered by Uganda to the south. Until recently, Budi County was part of Greater Kapoeta. It was split off when Greater Kapoeta was divided between Kapoeta County and Budi County, named after the Buya and Didinga (BU-DI) people. Kapoeta County was later split into Kapoeta North, South and East counties.