The city famous for protecting the U.K.’s Crown Jewels also happens to be the most popular home for the world’s ultra-wealthy, according to a new report.

London topped the list of cities called home by those with $30 million or more in wealth by WealthInsight, a research company that focuses on the high-wealth sector. London was home to 4,224 multimillionaires in 2012, according to the report.

The report also found that Tokyo had the highest population of those with $1 million or more in wealth and New York City was home to the most billionaires.

The following slideshow rounds out the top 10 list of ultra-wealthy cities.

1. London

4,224 multimillionaires

 

 

2. Tokyo

3,525 multimillionaires

 

 

3. Singapore

3,154 multimillionaires

 

 

4. New York City

2.929 multimillionaires

 

 

5. Hong Kong

2,560 multimillionaires

 

 

6. Frankfurt

1,868 multimillionaires

 

 

7. Mexico City

1,850 multimillionaires

 

 

8. Paris

1,500 multimillionaires

 

 

9. Osaka

1,450 multimillionaires

 

 

10. Beijing

1,318 multimillionaires