Where do the uber-wealthy live?
Well, the top 20 cities in the world with the most "centi-millionaires" have been revealed by global residence and citizenship planning company Henley & Partners.
And one Australian city made the list.
By the way...centi-millionaires are defined as someone holding $US100 million ($155.5 million) in investable assets - an elite club of just 28,420 worldwide.
And here are the cities in which they live:
#1 - New York City, US
According to the report, New York City is the richest city in the world, with 775 centi-millionaires and 62 billionaires.
The city also has a 22 per cent growth forecast in centi-millionaires.
#2 - The Bay Area and San Francisco, US
San Francisco and the Bay Area rank second.
It is home to Silicon Valley, a major IT hub, and boasts 692 centi-millionaires and 69 billionaires.
Additionally, they anticipate a 50% growth in the next decade.
#3 - Los Angeles, US
The United States takes the top three spots, and Los Angeles is third on the list.
The city is home to 504 centi-millionaires and 44 billionaires and is expected to grow by 17 per cent.
#4 - London, UK
The report shows that London comes in fourth on the list, with 388 centi-millionaires and 36 billionaires.
#5 - Beijing, China
Beijing secures the fifth spot, representing China's highest ranking on the list.
The city is home to 365 centi-millionaires and 44 billionaires, and it shares a 60 per cent growth rate with Shanghai.
#6 - Shanghai, China
Several Chinese cities feature on the list, and Shanghai is sixth.
This city boasts 332 centi-millionaires and 40 billionaires, and it's expected to see a 63 per cent increase in centi-millionaires over the next decade.
#7 - Singapore
The report shows that the wealthy city-state of Singapore has 330 centi-millionaires and 27 billionaires, coming in at seventh on the list.
#8 - Hong Kong, China
Hong Kong takes the eighth spot on the list.
The city has 305 centi-millionaires and 34 billionaires, and it's expected to see a 24 per cent increase in centi-millionaires.
#9 - Chicago, US
Another U.S. city, Chicago, makes it to the top 10, securing the ninth spot on the list.
Chicago is home to 286 centi-millionaires and 22 billionaires, but it's only expected to see a 5 per cent growth in centi-millionaires over the next decade.
#10 - Paris, France
Paris has made it to the top 10 with 280 centi-millionaires and 20 billionaires.
The city and its surrounding region anticipate a 45 per cent increase in centi-millionaires over the next decade.
#11 - Tokyo, Japan
Tokyo, Japan, narrowly missed the top 10, landing in 11th place with 275 centi-millionaires and 15 billionaires.
#12 - Geneva, Switzerland
Geneva, Switzerland, holds the 12th spot on the list and has 262 centi-millionaires along with 14 billionaires.
#13 - Houston, Texas
According to the report, the city has 255 centi-millionaires and 18 billionaires.
The city is forecast for 47 per cent growth in wealthy individuals over the next ten years.
#14 - Zurich, Switzerland
Zurich ranks 14th on the list with 230 centi-millionaires and 11 billionaires.
The city anticipates a 30 per cent increase in centi-millionaires over the next 10 years.
#15 - Mumbai, India
Mumbai surpassed Dubai's expected growth by 2 per cent.
It currently has 224 centi-millionaires, and it's projected to see an 80 per cent increase in the next ten years.
The city is also home to 27 billionaires.
#16 - Dubai, United Arab Emirates
Dubai ranks 16th on the list with 210 centi-millionaires and 15 billionaires.
It's expected to have the second-highest growth of wealthy individuals among the top 20 cities, with a predicted 78 per cent increase in centi-millionaires over the next 10 years.
#17 - Moscow, Russia
Moscow, Russia, takes the 17th spot on the list with 205 centi-millionaires and 23 billionaires.
However, it has the lowest estimated growth percentages among the top 20 cities, with just a 5 per cent increase predicted over the next 10 years.
#18 - Sydney, Australia
Sydney secures the 18th spot on the list, and it's the only Australian city in the top 20.
The city boasts 198 centi-millionaires and 20 billionaires, with an anticipated 60 per cent increase in centi-millionaires over the next 10 years.
#19 - Toronto, Canada
Toronto is in 19th place with 192 centi-millionaires, and it's home to 18 billionaires.
The city anticipates a 52 per cent growth in centi-millionaires in the future.
#20 - Seoul, South Korea
Seoul has 185 centi-millionaires, making it to the top 20 list.
The city is also home to 19 billionaires and is projected to experience a 25 per cent growth in centi-millionaires over the next decade.