The BOA has signed a memorandum of understanding with the Minas Tenis Clube to host Britain's athletes prior to the Rio Olympics beginning on August 5, 2016 and also during the Games.
With the help of team leaders from aquatics, basketball, boxing, fencing, gymnastics, hockey and rowing, the BOA scouted potential locations elsewhere in Brazil as well as across South America.
Belo Horizonte is a 45-minute flight away from Rio and follows on from Macau prior to Beijing 2008, Cyprus prior to Athens 2004 and the Gold Coast prior to Sydney 2000 as the BOA's choice of preparation camp.
The facilities at the Minas Tenis Clube include numerous indoor sports halls and gyms while the swimming pool hosted the FINA World Cup in 2008 and the lake on location can be used for rowing, canoeing and triathlon.
The Minas Tenis Clube was responsible for producing five of Brazil's 17 medals at the London 2012 and Hunt admitted the close proximity of Belo Horizonte to the Rio was one of several vital factors behind the decision.
"Getting your pre-Games training and preparation environment right is absolutely essential to the success of an Olympic team on foreign soil," said Hunt.
"Today's announcement represents another major step forward in our operational planning and preparation for Team GB ahead of the Rio 2016 Olympics and a key part of our ambition to be the 'most local non-local team' at the 2016 Games.
"We were very impressed with the breadth of world-class sporting facilities available at the Minas Tenis Clube, and equally pleased with the professionalism, friendship and warm welcome we received.
"We understand that for some sports the priority will be the final stages of training and fine-tuning their performance needs, while for others the focus will be on acclimatisation and gaining sufficient rest and relaxation immediately prior to the Games.
"We are confident that the MTC environment will offer the flexibility required by Team GB's sports and we look forward to developing our relationship with President Sergio Bruno Zech Coelho and his team at the MTC as we expand and build upon our detailed planning for the Rio 2016 Olympic Games."