Shigitatsu-an () is a haikai dojo () in à Âiso, Kanagawa, Japan, where people learn haiku poetry from the master there or from each other. It is one of the three important such dojo, the other two being Rakushi-sha () in Sagano, Kyoto, and Mumei-an () in à Âtsu, Shiga.
Shigitasu-an was built in 1664 by Sà Âsetsu (å´Âéª) as a humble hut on the rivulet, Shigitatsu-sawa, à Âiso, where the 12th century waka poet, monk Saigyà Â, was said to write one of his most famous poems which was later included in the Shin Kokin Wakashà «: <ul>
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In 1694, Michikaze à Âyodo (大æ·Âä¸ÂÃ¥ÂÂ風) became the master at Shigitatsu-an. In 1768, it was re-established by Chà Âsui Shirai (). Currently, Motoi Ei () is the 23rd master (2020-).
Shigitatsu-an was built on Tokaido, the main thoroughfare between Edo and Kyoto, which is now National Route 1. There stands a stele erected by Oiso Town that the word "Shà Ânan" was first mentioned by Sosetsu introducing Shigitatsu-an to the passers-by.