Tens of thousands of demonstrators poured into the streets of Istanbul, the largest city in Turkey, last Sunday.
They were protesting against the Israeli offensive in the Gaza Strip.
A crowd of about 50,000 demonstrators gathered, chanting slogans against both Israel and the US.
In the Syrian capital Damascus, where Israeli warplanes buzzed over the presidential palace in the first days of the attacks on Gaza, thousands of demonstrators marched on Monday of this week.
The Gulf state of Qatar saw its first ever demonstration, called by a municipal council.
In Manama, the capital of Bahrain, protesters took to the streets. Both Qatar and Bahrain are close allies of the US.
In Egypt about 3,000 demonstrators defied police to hold a protest at the al?Azhar mosque in the capital Cairo.
Hundreds of black clad security forces in riot gear surrounded the mosque to stop the protest spilling out into the streets.
In Jordan the Muslim Brotherhood abandoned a rally in Jordan University mosque after it was stormed by hundreds of security police.
The rally had been called after the authorities banned all demonstrations in solidarity with the Palestinians.
Ten people were arrested and dozens injured.
Both Jordan and Egypt have signed peace agreements with Israel, and regularly ban any protest that challenges either the US or Israel.
In Beirut, the capital city of Lebanon, an alliance of left wing parties, the Palestinian Fatah movement and the Popular Front for the Liberation of Palestine have launched an indefinite sit-in.
The sit-in came in the wake of an 8,000 strong protest in Lebanon’s largest Palestinian refugee camp.