<Tr> <Th_colspan="2"> Area </Th> </Tr> <Tr> <Th> 1067 est . </Th> <Td> 1,600 km (620 sq mi) </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> Preceded by </Td> <Td> Succeeded by </Td> </Tr> <Tr> <Td> <Table> <Tr> <Td> </Td> <Td> Djenné - Djenno </Td> </Tr> </Table> </Td> <Td> <Table> <Tr> <Td> Mali Empire </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> Preceded by </Td> <Td> Succeeded by </Td> </Tr> <Tr> <Td> <Table> <Tr> <Td> </Td> <Td> Djenné - Djenno </Td> </Tr> </Table> </Td> <Td> <Table> <Tr> <Td> Mali Empire </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> </Table>

Most of what we know about ghana comes from the writings of