President Bush leaves Washington, D.C. Tuesday morning on a trip to Denmark, where he will spend less than a day before flying to Scotland for the G-8 Summit.
During his 17-hour visit, Mr. Bush will thank the Danes for keeping hundreds of troops in southern Iraq.
Thousands of people in Denmark are set to protest President Bush's trip to the country.
"Bush is not welcome here,” one demonstrator said.
Thousands were expected to part in protests Tuesday.
The demonstration is supposed to culminate with a torchlight vigil outside the place where Mr. Bush will spend the night.
Organizers say the rallies will be peaceful but police say anti-capitalist activists planning another protest Tuesday are urging demonstrators to "come angry."
The largest demonstration is set to occur Wednesday when organizers say some 20,000 people will gather outside the U.S. Embassy.
Meantime officials have deployed more than 2,000 officers to block streets and keep an eye on demonstrators.
Mr. Bush flies to Scotland on Wednesday for the G-8 Summit in Gleneagles, Scotland, hosted this year by Britain’s Prime Minister Tony Blair.
Blair is hoping to achieve breakthroughs on African aid at the gathering of rich nations.
He also wants an agreement among G-8 leaders on the scientific threat posed by global warming and the urgent need for action.