Francesco Papa, a prisoner on the penal colony, walks between rows of grapevines.

Name the Italian island known for its prisoner-produced wine

Just off the Tuscan coast is a tiny island that houses some of the country’s most serious criminals. But what sets these prisoners apart is that they’re also vintners, producing some of the country’s best — and most expensive — white wine.

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Francesco Papa, a prisoner on the penal colony, walks between rows of grapevines.

Alessandro Bianchi/Reuters

This island looks like a tourst's dream, with a lush Tuscan landscape and beautiful beaches.

But tourists are strictly prohibited. In fact, it's closed off to the public, save for supervised tours. 

That's because it's a maximum-security penal colony. The felons who reside here, though, produce some of Italy's finest wine. 

For this Geo Quiz, we're looking for the name of this Tuscan island. Can you name it?