With inhabitants like the duke and duchess of Canbridge, Brad Pitt and Angenila Jolie, and Facebook co-founder Eduardo Saverin, it's no wonder these ten streets have the highest average prices per square meter. Starting with Hong Kong's Pollock's Path on the Peak at $120,000 per square meter, is home to famous martial arts and comedy actors including Stephen Chow. Other notable streets include London's Kensington Palace Gardens, home to Prince William, Kate Middleton, and Prince George, Frances Boulevard du Général de Gaulle, home to Angelina Joli and Brad Pitt, and New York's Fifth Avenue, home to Tom Brokaw and Bill Muray, to name a few.
1. Pollock's Path, The Peak, Hong Kong
Average price per square meter: $120,000
With some of the best views of Hong Kong Island, Pollock's Path on The Peak is the world's most expensive street. Famous residents include actor Stephen Chow (pictured), star of the film "Shaolin Soccer" among other martial arts action and comedy films.
2. Kensington Palace Gardens, London, UK
Average price per square meter: $107,000
Among the notable residents in this historic London street: Prince William, Kate Middleton, Prince George), Lakshmi Mittal, and Bernie Ecclestone's daughter Tamara.
Wealth-X says that the arrival of the royals has helped boost prices in the area. The street is also home to French, Russian and Japanese embassies.
3. Avenue Princess Grace, Monaco
Average price per square meter: $86,000
Among the notable neighbors: Andrea Bocelli, Roger Moore, Lewis Hamilton, and Helena Christensen. "Glamorous Monaco, host to the F1 Grand Prix and the annual Monaco Boat Show, is a melting pot for Europe's super-rich," Wealth-X says. "The most-exclusive street in this tiny principality is iconic Avenue Princesse Grace, which winds along the sea front."
4. Boulevard du Général de Gaulle, Cap Ferrat, France
Average price per square meter: $79,000
Besides notable residents Brad Pitt and Angelina Jolie, investor Paul Allen reportedly owns a holiday home there, as did Charlie Chaplin. "The highly exclusive peninsula of Cap Ferrat may be the most-sought-after piece of land along the Mediterranean Côte d'Azur, resulting in it being the world's priciest non-urban location," Wealth-X writes. "Situated about 15km from Monaco, the Cap, as it is affectionately known, has long been a Mecca for the rich and famous."
5. Paterson Hill, Singapore
Average price per square meter: $42,500
Notable neighbors in Singapore's "Billionaire's Row" include Facebook co-founder Eduardo Saverin and former Miss Singapore beauty queen Rachel Kum. Last year, Saverin made headlines for renouncing his U.S. citizenship, which rallied members of Congress to criticize taxpayers who abandon the country.
"My decision to expatriate was based solely on my interest in working and living in Singapore, where I have been since 2009," Saverin said in a statement last year. "I am obligated to and will pay hundreds of millions of dollars in taxes to the United States government. I have paid and will continue to pay any taxes due on everything I earned while a U.S. citizen."
6. Chemin de Ruth, Geneva, Switzerland
Average price per square meter: $37,000
Notable residents include France's Peugeot family, former French tennis player Henri Leconte (pictured) and former French alpine-skier Jean-Claude Killy. "Located in the heart of Switzerland's Cologny, close to the shores of Lake Geneva, the prestigious Chemin de Ruth is Switzerland's most-expensive street," Wealth-X says. "The mansions on this stone-walled street come with more land than most other streets of Cologny, many with beautiful landscaped gardens and large swimming pools. Many properties on the street overlook the lake, with views of the famous Jet d'Eau, the United Nations buildings and the headquarters of the World Economic Forum."
7. Romazzino Hill, Sardinia
Average price per square meter: $32,900
Among the residents of Romazzino Hill are Saudi Arabian politician Ahmed Zaki Yamani, Ural steel tycoon Alexei Mordashov (pictured), and Qatar royal family members.
"The Aga Khan turned the Costa Smerelda, Sardinia, into his holiday retreat in the 1960s; ever since then it has been known as the quintessential billionaire's holiday playground," Wealth-X writes.
8. Ostozhenka, Moscow, Russia
Average price per square meter: $29,000
Russian oligarch Alisher Usmarnov is one of the wealthiest residents of this area. "The darling of Muscovite aristocracy and wealthy merchants, Ostozhenka in downtown Moscow is one of the oldest streets in Russia and its most expensive," Wealth-X says. "Dotted with Art Nouveau buildings and famous landmarks, including The Kremlin, the Pushkin Museum and the Cathedral of Christ the Saviour, this street is Muscovite heritage at its finest."
9. Fifth Avenue, New York
Average price per square meter: $28,000
New York City is home to the most billionaires in the world, according to Wealth-X: 96 with a primary business address in New York City, to be exact. But you don't have to have billions to snag the best property here. Among the residents: news anchor Tom Brokaw and actor Bill Murray.
The United States is home to 515 billionaires with a combined net worth of more than $2 trillion.
10. Avenue Montagne, Paris, France
Average price per square meter: $26,000
Before she died in 1992, actress Marlene Dietrich was a resident of Avenue Montaigne. The Canadian Embassy is also on this street.
"Located in the 8th arrondissement in the Champs Élysées quarter, this 350-year-old avenue is steeped in cultural history," Wealth-X says.
But it has also been the target of some of the largest jewel heists due to the famous business on the block: Harry Winston.
In 2008, jeweler Harry Winston (located at number 29) was robbed of more than $108 million worth of diamond rings, necklaces and luxury watches, the second robbery within two years for the store, Wealth-X reports.