About 300 Americans citizens will begin evacuating Gaza on Sunday, according to the Coordination of Government Activities in the Territories (COGAT).
The process could take two to three days, said COGAT officials. They are among 800 Palestinians with foreign passports who will be evacuating.
Israeli airstrikes targeting Hamas in Gaza hit a mosque and a center for the disabled Saturday, raising the Palestinian death toll from the offensive to more than 120, Palestinian officials said.
The Associated Press contributed to this report.