Leonardo's Salvator Mundi became the world's most expensive painting when it sold at Christie's NY earlier this month where it fetched a premium-inclusive $450m.
Christie's said the artwork will be going to the museum, but declined to say whether the Louvre Abu Dhabi bought the painting.
The Louvre Abu Dhabi opened on November 8 in the presence of French President Emmanuel Macron, who described the new museum as a "bridge between civilizations".
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According to The New York Times, the painting was bought by Prince Bader bin Abdullah bin Mohammed bin Farhan al-Saud, who is said to be a close friend of Saudi Arabia's all-powerful crown prince, Mohammed bin Salman.
But "Salvator Mundi" is set to be the museum's biggest attraction.
Ever since the sale at Christie's, the identity of the buyer has been the most sought-after secret in the art world and beyond.
The newly-opened Louvre Abu Dhabi made the announcement Wednesday.
The highest known sale price for any artwork had been $US300 million, for Willem de Kooning's painting, Interchange.
The museum now features more than 600 artworks, as well as 300 masterpieces on loan from 13 French galleries that will rotate throughout the year. It was restored and confirmed as an authentic da Vinci in 2005.
The museum's opening has also coincided with a period of heightened political tension in the Gulf and the broader Middle East.
Christie's auction house has sold a painting, believed to have been painted by Leonardo da Vinci, for $450.3 million.
"We are delighted that the work will again be on public view", a Christie's spokesperson said of the record-setting painting.
The painting was later sold by Russian billionaire Dmitry Rybolovlev, who bought it in 2013 for $US127.5 million in a private sale that became the subject of a continuing lawsuit. The painting "Savior of the world" the crowned representative of the Arab countries bought at auction in the United States for $ 450 million.
Salvator Mundi depicts an image of Christ, and is the only work of da Vinci now in private hands (there are only fewer than 20 paintings by the Italian master known to exist in total). Even before becoming the world's most expensive painting, it drew huge crowds during pre-auction viewings in London, Hong Kong and San Francisco.