GREECE'S ambassador to Brazil has not been seen since mysteriously vanishing without a trace three days ago.

Kyriakos Amiridis, 59, has been missing since Boxing Day night, Civil Police confirmed.

1 Greece's ambassador to Brazil has been missing for three days since disappearing in Rio

Officials from the Floor Discovery Branch of the Homicide Police are hunting for the ambassador.

Greek authorities in Rio have not provided any information on the diplomat's whereabouts.

The Greek Embassy has not officially commented on the mystery.

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A source told the Folha the embassy informed police, the Foreign Ministry and the Ministry of Foreign Affairs of Greece.

One official reportedly said he last spoke to the ambassador on Monday evening, but could not be sure it was him responding to messages.

Another told the Folha "he may just be out of touch" and added they are "waiting for Brazilian authorities".

Amiridis is thought to have been holidaying in the Brazilian capital, where he was consul-general from 2001 to 2004.

He assumed the post of Greek ambassador to Brazil in January this year.

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