Bahia, Brazil
Address:
Bahia
Bahia, BR
Category: Research in Progress
Cacao farming has existed in this area for over 300 years. Bahia was "the source of the largest cacao production on the planet" until the 1980s plague of witches-broom fungus nearly destroyed all production as well as the local economy.
Source: http://chocolatedocumentary.com/the-film/characters/diego/