Areas smaller than NUMBER@1 km2 NUMBER@1 square kilometre -LRB- LOCATION@1 spelling : square kilometer -RRB- , symbol km2 , is an SI unit of surface area .

Areas smaller than NUMBER@1 km ² NUMBER@1 square kilometre -LRB- LOCATION@1 spelling : square kilometer -RRB- , symbol km ² , is an SI unit of surface area .
