Adding to the uncertainty, Romania's centrist president Klaus Iohannis has opposed the move as a breach of global law.
AMMAN-His Majesty King Abdullah has called off a planned trip to Romania following remarks by Romanian Prime Minister Viorica Dancila that her country's embassy in Israel will be moved to Jerusalem.
"I congratulate my friend, the prime minister of Romania, Viorica Dancila, on her announcement at AIPAC that she would act to complete the procedures needed to open the Romanian embassy in Jerusalem", the Israeli leader tweeted.
The President of Honduras, Juan Orlando Hernández, recounted, "On New Years Day, I met with Prime Minister Netanyahu and Secretary of State Pompeo and our three countries issued a joint statement announcing an action plan that will culminate with Israel opening its embassy in our capital Tegucigalpa and at the same time, reciprocally, the Honduras embassy will be moved to the capital of Israel, the city of Jerusalem".
The Romanian prime minister's announcement was hailed by Deputy Foreign Minister Tzipi Hotovely, who said the process began several months ago during an official visit.
The 2018 AIPAC Policy Conference in Washington, DC.
"I know that, that's for sure", he said.
The United Nations contends that the matter can only be settled between the Israeli and Palestinian people, and that until such a resolution, countries should not shift their embassies to Jerusalem.
"Honduras will immediately open our official diplomatic mission and this will extend our embassy to the capital of Israel, Jerusalem", Hernández told the crowd.
"Today I announced the first step, which is the opening of a trade office in Jerusalem, the capital of the state of Israel".
Her stance would align Romania with the USA position under President Donald Trump, and it came on a day when Israeli Prime Minister Benjamin Netanyahu was beginning a Washington visit to include an AIPAC appearance and a meeting with Trump. The US opened its embassy in the city the following May.
A new road sign indicating the way to the new USA embassy in Jerusalem is seen on May 7, 2018.
Other countries, including Brazil, have signaled interest in relocating their embassies but have yet to implement a move. Israel and the Palestinian Authority both consider Jerusalem their capital, and the city contains sites sacred to Jews and Muslims.