Sri Lanka, Feb. 1 -- At 65, Johor Sultan Ibrahim Iskandar is set to ascend the throne in Malaysia, bringing with him a wealth estimated at a staggering $5.7 billion and an empire that extends far beyond the boundaries of his country.

Sultan Ibrahim's realm encompasses an array of ventures, from real estate and mining to telecommunications and palm oil. The opulent Istana Bukit Serene, his official residence, is a testament to his family's wealth. The ruler's collection of over 300 luxury cars, including one purportedly gifted by Adolf Hitler, is housed on the grounds, while a fleet of private jets, including a gold-and-blue Boeing 737, sits nearby. His family also owns a private army.

A Glimpse Into The Sultan's Wealth

While the estima...