Journalist Costas Vaxevanis has gone on trial in Athens for breach of privacy after publishing the names of 2,000 Greeks with Swiss bank accounts.
 
French authorities gave the names to their Greek counterparts two years ago, but documents were never investigated.
 
Mr Vaxevanis told the BBC that politicians should be prosecuted for keeping the names secret.
 
But Greek officials have said there is no proof that those on the list have broken the law.
 
Some of those named, said to include many prominent Greeks, are suspected of using the HSBC accounts in Switzerland for tax evasion.
Mr Vaxevanis says the list he published is the same one that was given by the then French finance minister Christine Lagarde to her Greek counterpart two years ago.
 
Greek officials say the list originally came from a former HSBC employee.
The names on the list are said to include politicians, businessmen and others, sparking fury among ordinary Greeks as they are hit by deep austerity measures, says the BBC's Mark Lowen in Athens.
 
The issue has revived claims that tax evasion remains rife in Greece, and that the authorities still are not serious about tackling it, our correspondent adds.



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