USEFUL INFO

Day Trips:
Zambia
Day trippers to Zambia (under 24 hours) the visa cost is currently USD $10 (subject to change – may be discontinued)

Botswana:
If you hold a KAZA UniVisa, it covers day trips to Botswana through the Kazungula border post. However, the KAZA UniVisa is not valid for overnight stays in Botswana.
Citizens of Commonwealth countries (with some exceptions), EU member states, the United States, and several other nations do not require a visa to enter Botswana for short stays.