网页Shōnai Domain (庄内藩, Shōnai-han) was a feudal domain in Edo period Japan, located in Dewa Province (modern-day Yamagata Prefecture), Japan. It was centered on Tsuruoka Castle in what is now the city of Tsuruoka in Yamagata Prefecture, and was thus also known as the Tsuruoka Domain (鶴岡藩, Tsuruoka han).