Israel seized the Golan Heights from Syria in 1967. Since then, the international community has refused to recognise Israel's sovereignty over the region.
The Syrian government has condemned President Donald Trump's move to acknowledge Israeli control and said it would recover the strategically important plateau through "all available means".
In his speech at the White House on Monday, Mr Netanyahu compared Mr Trump to historic non-Jewish leaders who had made "proclamations" on behalf of Jews.
Cyrus the Great founded the first Persian empire in 550 BC. Lord Balfour is a former British prime minister who, as foreign secretary in 1917, announced Britain's support for a "national home for the Jewish people" in Palestine. Former US president Harry S Truman recognised Israel's independence in 1948.