Emperor Seimu (成務天皇) was the 13th imperial ruler of Japan. No firm date can be assigned to this emperor and he is regarded by historians as a "legendary emperor". This does not necessarily imply that no such person ever existed, just that there is insufficient material to assign him to a historical period.
... 12.7 km² (4.9 mi²) of it is land and none of the area is covered with water.
Demographics
As of the census of 2000, there are 19,701 people, 6,700 households, ...