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Niiro Hisaaki was an early [[Edo period]] [[Shimazu clan]] ''[[karo|karô]]''.

Niiro Hisaaki was an early [[Edo period]] [[Shimazu clan]] ''[[karo|karô]]''.

He served as ''karô'' based in [[Edo]] (''Edo-zume karô'') for a time in the 1640s, and played a role in the planning of the [[1644]] [[Ryukyuan embassy to Edo]].<ref>Kido Hironari, ''Kinsei Nichiryû kankei no keisei'', Nagoya University Press (2023), p46.</ref>

He served as ''karô'' based in [[Edo]] (''Edo-zume karô'') for a time in the 1640s, and played a role in the planning of the [[1644]] [[Ryukyuan embassy to Edo]].<ref>Kido Hironari, ''Kinsei Nichiryû kankei no keisei'', Nagoya University Press (2023), p44.</ref>

In [[1654]], he then became the first to be appointed to the position of ''[[Ryukyu no kata|Ryûkyû no kata]]'', responsible for overseeing matters pertaining to the Shimazu relationship with the [[Ryukyu Kingdom]].

In [[1654]], he then became the first to be appointed to the position of ''[[Ryukyu no kata|Ryûkyû no kata]]'', responsible for overseeing matters pertaining to the Shimazu relationship with the [[Ryukyu Kingdom]].