The Drug Regulate and Enforcement Act of 2016 helps make cannabis a narcotic in Tanzania, which include Zanzibar. This suggests big problems for having or developing weed. You might get up to 5 yrs in jail and pay major fines. Even a little bit of cannabis might cause significant complications, https://zanzibar-marijuana10753.wikigdia.com/6808503/new_step_by_step_map_for_zanzibar_marijuana