Domaso is a comune (municipality) in the Province of Como in the Italian region Lombardy, located about 80 kilometres (50 mi) north of Milan and about 40 kilometres (25 mi) northeast of Como. As of 31 December 2004, it had a population of 1,461 and an area of 6.1 km².

Domaso borders the following municipalities: Colico, Gravedona, Livo, Peglio, Vercana.

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At the CARIPLO Bank of Domaso were kept the secret documents taken from Benito Mussolini on 27 April 1945. They were put there by the Partisan Pedro and Horfman a Swiss/British double agent. Winston Churchill visited this place, looking for some of the missing documents on September 7, 1945 and went to have a tea with the bank's manager Ermanno Gibezzi. He had it in his home, ignoring the fact that he had been recently appointed there. The real director that had seen the documents, Luigi Rumi, had retired a few weeks before.