[1] Busia, Kenya is located in Busia County, approximately 451 kilometres (280 mi), by road, northwest of Nairobi, Kenya's capital and largest city.

[3] Busia, Kenya sits at an average elevation of 1,227 metres (4,026 ft), above sea level.

The towns of Malaba, Kenya and Malaba, Uganda, approximately 29 kilometres (18 mi) to the north,[5] along with the Busia megalopolis account for the bulk of trade and human traffic between the two East African Community countries.

The common upgraded border crossing was commissioned in February 2018, jointly by former president Uhuru Kenyatta of Kenya and president Yoweri Museveni of Uganda.

[8] In 2021 it was reported that large quantities of Ugandan sugar were being smuggled into Kenya through Busia.