If you are a foreign national from one of the following countries then you do not need a Namibian visa to enter Namibia for the purposes of tourism. Note that You may enter Namibia for a period of 90 days without a visa. You should contact the Namibian Embassy in your country if you are not certain or are not listed below.
Wanting to visit Zimbabwe then you are going to need to visa. Certain nationalities do not need a visa to visit Zimbabwe as tourists. The Visa Upon Arrival in Zimbabwe for those traveling on tourism can stay for a maximum stay of 3 months. See the nationalities below.