The Kaza visa is to be launched at the end of November 2014.  In brief :
WHERE IT IS AVAILABLE?
ZAMBIA
Harry Mwaanga Airport (Livingstone)
Victoria Falls Land Border
Kazungula Land Border (border with Botswana)
Kenneth Kaunda Airport (Lusaka)

ZIMBABWE
Victoria Falls Airport
Victoria Falls Land Border
Kazungula Land Border (border with Botswana)
Harare Airport

 

WHAT IS THE BENEFIT?

Tourists save time and money because they only have to obtain one visa to visit both countries.

HOW MUCH DOES IT COST?

US$50

HOW LONG DOES IT LAST?

Up to 30 days as long as you remain within Zambia and Zimbabwe. It also covers those who visit Botswana for day trips for the Kazungula borders.

WHO IS ELIGIBLE?

Citizen of 40 countries, which coincide with those who are eligible to receive Visas on arrival in both Zambia and Zimbabwe.
Argentina     Germany      Poland Austria      Greece      Portugal Australia      Hungary      Puerto Rico Brazil      Iceland      Russia   Britain (UK)      Israel      Rwanda   Brunei      Italy      Slovakia Republic   Burundi      Japan      Slovenia Republic   Canada      Liechtenstein      Spain   Cook Islands      Luxembourg      Sweden   Czech Republic      Monaco      Switzerland   Denmark      Netherlands      U.A.E   Finland      New Zealand      Uruguay   France      Norway      USA

In the future, it is anticipated that the KAZA Visa will be extended to other three  KAZA countries of Angola, Botswana and Namibia

For more info Kazavisa