US President Donald Trump has officially recognized Israeli sovereignty over the occupied Golan Heights captured from Syria in 1
Syria said Mr. Trump's decision was "an obvious attack on his sovereignty."
Israel annexed the Golan in 1981 in an internationally unrecognized movement.
Washington had chosen the same line for decades, but last week Mr. Trump announced his plan to turn decades of US policy in a tweet.
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] Syria has vowed to recapture the area "by all means available".
But Mr. Netanyahu told reporters gathered in Washington on Monday that Israel "will never give it up".
"Your proclamation is coming in time when Golan For our safety, it's more important than ever," he said, citing threats from Iran's armed forces in Syria.
It is "a double act of historical justice".
"Israel gained the Golan Heights in a just self-defense war, and the ways of the Jewish people in the Golan go back thousands of years," Netanyahu said.
However, there are few signs that other countries will have in the footsteps of the US.
A spokesman for the United Nations Secretary-General, Antonio Guterres, said he was "clear that the status of the Golan has not changed".
Russia – President Bashar al-Assad provided military support In the Syrian conflict, the decree "could trigger a new wave of tension in the Middle East".
Meanwhile, Turkey, which supported the Syrian opposition, said it was "impossible" to accept the US decree, adding that it intends to act against it.
What are the Golan Heights
] The region is located about 60 km southwest of the Syrian capital Damascus and covers about 1,200 km².
Israel confiscated most of the Golan Heights from Syria in the closing stages of After the 1967 Middle East war, he prevented a Syrian attempt to retake the region in the 1973 war.
The two countries agreed on a retreat plan the following year, which included the creation of a 70 km long demilitarized zone by a UN observer group. However, they were technically in a state of war.
In 1981, the Israeli parliament passed laws to apply the Israeli "law, jurisdiction, and administration" to the Golan, which actually annexed the territory. However, the international community did not acknowledge the move, claiming that the Golan occupied Syrian territory. UN Security Council resolution 497 declared the Israeli decision "null and void and without international legal effect".
Three years ago, when former President Barack Obama was in office, the US voted for a statement from the Security Council in which they were deeply concerned. Mr. Netanyahu had said Israel would never give up the Golan.
Syria has always insisted that it will not agree a peace treaty with Israel unless it withdraws from the entire Golan. The last direct peace talks brokered by the United States failed in 2000, while Turkey was mediated in 2008 in indirect talks.
There are more than 30 Israeli settlements in the Golan, home to an estimated 20,000 people. Settlements are illegal under international law, although Israel denies it. The settlers live with about 20,000 Syrians, most of whom are the Druze Arabs who did not flee when the Golan was conquered.