The previous king, Sultan Muhammad V, stepped aside this month following just two years on the throne after reports surfaced he had married the former Miss Moscow while on medical leave.
There was great shock across Malaysia at the first abdication of a monarch in the country's history.
His likely replacement is Sultan Abdullah of Pahang state, a keen athlete who holds a string of positions on sporting bodies, including on the council of world football governing body FIFA.
Malaysia is a constitutional monarchy, with a unique arrangement where the national throne changes hands every five years between rulers of the country's nine states.
Eight of the state sultans arrived at the national palace in Kuala Lumpur for the Conference of Rulers, a special meeting during which they will pick a new king for a five-year term, official news agency Bernama reported.
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The meeting got under way at 11:15 am, Bernama said. The only one absent was Muhammad V, who remains the sultan of the northeastern state of Kelantan, despite having abdicated as the national monarch.
Under the rotation system, the central state of Pahang is next in line to provide the monarch.
Sultan Abdullah, 59, was named the state's new ruler -- replacing his elderly, ailing father -- several days after Muhammad V's abdication, in a step viewed as paving the way for him to become the next national monarch.
As well as being a member of the FIFA council -- which lays out the vision for global football -- he is president of the Asian Hockey Association and a former head of the Football Association of Malaysia.
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After attending school in Malaysia, the keen polo player went on to study in Britain, where he attended the Sandhurst military academy, according to a biography published on Bernama.
If he does not become king -- he could refuse the post, or be deemed unsuitable -- then the next in line for the throne is the sultan of Johor state.
The sultan of Johor, which borders Singapore, is one of the country's most wealthy and powerful rulers, and has his own private army.
To be elected as the national king, a sultan must be supported by at least five of the state rulers.
The new king will be sworn in on January 31 in a lavish ceremony.
While their role is ceremonial, Malaysia's royalty command great respect, especially from the country's Malay majority, and criticising them is strictly forbidden.
Portraits of the king and queen adorn government buildings throughout the country. The king is also the symbolic head of Islam in the nation, as well as the nominal chief of the military.
Malaysia's sultans trace a lineage back to the Malay sultanates of the 15th century. The king is referred to as Yang di-Pertuan Agong, or "He Who Is Made Lord".
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