Her visit is expected to be formally announced on Tuesday.
Mrs Clinton, wife of former US President Bill Clinton, will visit the island during the important Asian Regional Forum from July 16-23.
Representatives from at least 26 countries are expected to attend the forum, an important prelude to October's Asean Plus Six Summit when the leaders of 16 nations are due to come to the island.
The July meeting has been kept low-key so far.
But a large delegation of officials from Thailand's Foreign Ministry is expected to visit the island on Tuesday when details of the summit will be announced, Phuket Governor Wichai Praisa-nob said today.
Preparations have been continuing around the island to make it look as attractive as possible for both international gatherings.
Just as importantly, the resort that will be the centre of activities in July is expected to be known on Tuesday, with Laguna Phuket and the Hilton Arcadia Phuket the leading candidates.
Mrs Clinton, who like President Barack Obama has expressed a great interest in Asia, is especially concerned at present over the trial of democratic leader Aung San Suu Kyi in neighboring Burma.
Her visit will not be the first by the Clinton family.
Former US President Bill Clinton visited Phuket twice when he was the UN Secretary-General's Special Envoy for Tsunami Recovery.
The first visit in 2005 was with another former US President, George Bush Snr. who was also a special envoy.
Mr Clinton came back in 2006 on a second visit intended to help revive the tourism industry, something the Secretary of State may also help to do in July.
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I expect US right wing politicking from the Gazette's editors, but really Phuket Wan, The " Help!" in front of," Clinton Coming.." [ U.S. Secretary of State ]is inappropriate and demeaning.
You can do better
Editor: The 'Help!' is, as the intro to the story makes plain, a reference to Phuket's need for help in the face of a down-turning economy and a crime surge. Perhaps others will take it the wrong way, too . . . but our views are non-political, just pro-Phuket. We can't speak for the Gazette. You'll just have to wait to see.
Posted by MediaWatch2009 on June 17, 2009 08:49