<P> Tokyo has the largest city economy in the world and is one of four major global centers of trade and commerce along with New York City, Hong Kong and London . </P> <Ul> <Li> 2005 average exchange rate (1 US Dollar = 110.22 Yen) </Li> </Ul> <Li> 2005 average exchange rate (1 US Dollar = 110.22 Yen) </Li> <Table> <Tr> <Th> Prefecture </Th> <Th> Gross Prefecture Product (in billion Yen) </Th> <Th> Gross Prefecture Product (in billion US $) </Th> </Tr> <Tr> <Td> Tokyo </Td> <Td> 92,269 </Td> <Td> 837 </Td> </Tr> <Tr> <Td> Kanagawa </Td> <Td> 31,184 </Td> <Td> 282 </Td> </Tr> <Tr> <Td> Saitama </Td> <Td> 20,650 </Td> <Td> 187 </Td> </Tr> <Tr> <Td> Chiba </Td> <Td> 19,917 </Td> <Td> 180 </Td> </Tr> <Tr> <Td> Ibaraki </Td> <Td> 10,955 </Td> <Td> 99 </Td> </Tr> <Tr> <Td> Tochigi </Td> <Td> 8,195 </Td> <Td> 74 </Td> </Tr> <Tr> <Td> Gunma </Td> <Td> 7,550 </Td> <Td> 68 </Td> </Tr> <Tr> <Td> Yamanashi </Td> <Td> 3,206 </Td> <Td> 29 </Td> </Tr> <Tr> <Td> The One Metropolis and Three Prefectures </Td> <Td> 164,020 </Td> <Td> 1,488 </Td> </Tr> <Tr> <Td> National Capital Region </Td> <Td> 193,926 </Td> <Td> 1,759 </Td> </Tr> </Table>

The urbanized zone from tokyo to osaka is called the