The ceremony was televised nationally and attended by Prime Minister Mahathir Mohamad and hundreds of guests decked out in Islamic finery. Before being sworn in at the palace, the 59-year-old, who is also the ceremonial ruler of central Pahang state, was given a welcome at the national parliament and inspected a guard of honour.
His predecessor, Sultan Muhammad V, stepped aside this month following just two years on the throne after he went on medical leave. Reports then surfaced he had married a former Miss Moscow. No official reason was given for his abdication, but it was the first time a king had stepped aside before the end of his term in the Muslim-majority country.
Malaysia is a constitutional monarchy with a unique arrangement where the national throne changes hands every five years between royal rulers of the country's nine states. Pahang was next in line for the throne after Muhammad V stepped down, and Sultan Abdullah was formally chosen as the country's 16th king by Malaysia's royal families last week.