thumb|Map of Sanwa, Ibaraki

was a town located in Sashima District, Ibaraki Prefecture, Japan.

As of 2003, the town had an estimated population of 39,220 and a density of 787.87 persons per km<sup>2</sup>. The total area was 49.78&nbsp;km<sup>2</sup>.

On September 12, 2005, Sanwa, along with the town of Sōwa (also from Sashima District), was merged into the expanded city of Koga.

References

  • Koga official website