DUBAI facts
Ruled by Sheikh Mohammed bin Rashid Al-Maktoum (above), who has embraced the extravagance of his emirate
16bn Ruler's personal wealth – world's fourth-richest royal
1.7m Population
240,000 Oil production per day
State company is Dubai World, a property-focused investment group with a $59bn debt problem
Government holding companies bought large stakes in HSBC, Deutsche Bank and US retailer Barneys
Key London assets include the Adelphi, on the Strand, and the Grand Buildings in Trafalgar Square
The ruler's slogan is "Leader, equestrian, poet"
ABU DHABI facts
Ruled by Sheikh Khalifa bin Zayed al-Nahy (above), who has taken a reserved and anonymous stance in his
oil-rich state
$21bn Ruler's personal wealth – world's second-richest royal
1.3m Population
2.7m Oil production per day
State company is the Abu Dhabi Investment Authority, the world's largest sovereign wealth fund with assets worth more than $250bn
The company bought 4.9pc of Citigroup for £7.5bn in 2007 and is thought to be the world's second-largest institutional investor behind Bank of Japan
Key London assets include the ExCel exhibition centre in the Royal Docks and No1 Knightsbridge Green, close to Harrods
Its flagship project is the Gulf version of the Peggy Guggenheim Museum, which is set to open in 2011
