Turkey on Saturday described as "extremely worrying" the US move to open its embassy in Jerusalem in May to coincide with the 70th anniversary of the founding of Israel.
Friday's announcement by Washington to move the embassy from Tel Aviv to the capital city follows US President Donald Trump's recognition of Jerusalem as Israel's capital in December.
"This decision shows the US administration's insistence on damaging the grounds for peace by trampling over international law, resolutions of United Nations Security Council on Jerusalem," the Turkish foreign ministry said in a statement.
"Turkey will continue its effort to protect the legitimate rights of the Palestinian public... against this extremely worrying decision by the US," the ministry added.
Ankara said the decision showed the US does not hear, "and worse still, does not care about the voice of the international community's conscience."
Turkish President Recep Tayyip Erdogan led Islamic condemnation of the ruling in December and called an Organisation of Islamic Cooperation (OIC) summit of the leaders of Muslim nations in Istanbul shortly after Trump's announcement last year.
The leaders urged the world to recognize Jerusalem's eastern section as the Palestinian Authority's capital.
The Palestinian Authority on Friday said the US move, a year earlier than originally expected, was "a provocation to Arabs."
