From the Wikipedia page [1]
Pallisa District is a district in Eastern Uganda. Like most other Ugandan districts, it is named after its chief town, Pallisa, where the district headquarters are located.
Pallisa District is bordered to the north by (from west to east): Serere District, Ngora District, Kumi District and Bukedea District. Mbale District lies to the east. Budaka District lies to the southeast, Kibuku District to the southwest and Kaliro District to the west. Pallisa, the 'chief town' of the district, is located approximately 65 kilometres (40 mi), by road, west of Mbale, the largest city in the sub-region