Jolie, 34, who has been a goodwill ambassador for the U.N. refugee agency UNHCR since early 2001, traveled to quake-shattered Port-au-Prince after visiting injured Haitian children in a hospital on Monday in neighboring Dominican Republic.
The actress, who has been on numerous U.N. humanitarian missions to help refugees from more than 20 countries, was due to visit a hospital and other relief sites treating hundreds of thousands of hurt and homeless Haitian quake survivors.
The dark-haired Hollywood star, wearing a black jacket and aviator sunglasses, waved to reporters when she visited a U.N. base near Port-au-Prince airport, before she was driven away in a white U.N. vehicle.

In Geneva, UNHCR spokesman Andrej Mahecic declined to give specifics about Jolie's itinerary in Haiti, citing security reasons for its long-standing policy of not disclosing details of trips by its goodwill ambassadors.
On Monday in the Dominican Republic, the actress visited a hospital in Santo Domingo where dozens of injured Haitians, mainly children, have been treated since the devastating January 12 quake in Haiti that killed more than 200,000 people.
