<Tr> <Td> Finland </Td> <Td> University of Helsinki </Td> <Td> 1640 </Td> <Td> Public </Td> <Td> 36,500 </Td> <Td> </Td> </Tr> <Tr> <Td> France </Td> <Td> Centre national d'enseignement à distance </Td> <Td> 1939 </Td> <Td> Public </Td> <Td> 120,000 </Td> <Td> </Td> </Tr> <Tr> <Td> Germany </Td> <Td> University of Hagen </Td> <Td> </Td> <Td> Public </Td> <Td> 76,689 </Td> <Td> </Td> </Tr> <Tr> <Td> Greece </Td> <Td> Aristotle University of Thessaloniki </Td> <Td> 1925 </Td> <Td> Public </Td> <Td> 73,498 </Td> <Td> </Td> </Tr>

What is the largest university campus in the world