Mnangagwa will also use the visit to formally introduce himself as Zimbabwean president to President Geingob, who also serves as deputy chairperson of SADC.
The Zimbabwe Amalgamated Churches Council (ZACC) has reportedly rubbished claims by former president Robert Mugabe's nephew that the new government of President Emmerson Mnagagwa was "ill-treating" his uncle.
"The visit is being conducted in the interest of further strengthening the existing excellent bilateral relations between Namibia and Zimbabwe and to consider new possible areas of cooperation", said Albertus Aochamub, press secretary in the Namibian presidency.
It was unclear where he gave the interview.More news: Turkey summons USA diplomat for supporting Syrian Kurd group
The once powerful politician, who is now a harsh critic of the Mnangagwa led government, spoke to the BBC and narrated the manner in which he fled Zimbabwe in addition to fielding questions on the Mugabe regime and plans of going back home.
"We have a. constitution that the people of Zimbabwe made for themselves and it has been broken and it has been broken via a coup", he said.
Mnangagwa was dismissed two days later and fled the country, only to return triumphant in the wake of the coup.
Moyo scoffed at suggestions that Grace had not been popular in the country and said only "a minority might have had issues" with her. He was seen as the power behind former first lady Grace Mugabe, who headed the so-called G-40 faction.More news: No. 4 Michigan State shrugs off loss, focuses on Rutgers
"We know that when Mnangagwa and Chiwenga went to Morgan Tsvangirai's house they pretended that they were concerned about his health but we know they wanted to negotiate with him to postpone elections for at least three years", he alleged.
"Under conditions of free and fair elections, Zanu-PF will be thoroughly walloped and thumped at the 2018 elections", he said.
He said that the country's prisons were over capacity as they had at least 19 000 prisoners, more than 2000 of their intended capacity.More news: College Football Playoff returning to the Cotton Bowl at AT&T Stadium