Stone Town curio trader Caesar Jackson is hoping for two things from Wednesday's election.

A peaceful aftermath on the return of tourists are business depend on the tourism tourism industry.

So we're glad that if after election there no fighting will be happy that we'll have some touristed to continues.

Our business would be glad happy those wishes are for good reason.

The semi autonomous region and mainland Tanzania are both holding elections for president, lawmakers and local government.

The Zanzibar was rocked by post election violence in 2000 and one resulting in the deaths of more than 35 people.

In the run up to this poll on Zanzibar's opposition parties say their campaigns have been disrupted on candidates.

Disqualified Theo, campaign manager for the opposition A C T was a Landau party, said on Sunday that he had been seized on threatened by armed men while a parliamentary candidate was still missing.

The government has previously denied clamping down on dissent.

Roland Ebola is Amnesty International's Tanzania researcher.

There is described there is a heavy contingent off, you know, anti riot police and military that has been deployed to Zanzibar, especially member and so one thing that I know is that there is tension.

Final rallies have been held in.

Dr Hussein Ali Mwinyi, candidate for the ruling CCM party, has appealed for peace.

But the volatile election is being held against the backdrop of economic strain caused by the impact of global lockdowns on Zanzibar's tourism sector, which provides 80% of the archipelago's foreign revenue and is the biggest private sector employer.