Akashi castle is a castle in [[Hyogo prefecture|Hyôgo prefecture]] (formerly [[Harima province]]). Towards the beginning of the [[Edo period]], it was granted to a son-in-law of [[Honda Tadamasa]], along with a 100,000 ''[[koku]]'' fief.<ref>Plaques on-site at Himeji castle.[https://www.flickr.com/photos/toranosuke/31363425157/sizes/h/]</ref>