Question: What strait runs between Honshu and the island where the the important Intangible Folk Cultural Property of Japan , the Ainu ancient dances take place ?

text: List of Important Intangible Folk Cultural Properties
Designated cultural properties -- Folk performing arts
16 designations . All were designated under Criteria 1 .
This is a list of 318 Important Intangible Folk Cultural Properties of Japan.
Name Date Remarks Location
Ainu Ancient Dances ( アイヌ古式舞踊 , ainu koshiki buyō ) Various times Twelve types of traditional Ainu dances and nine songs including ritual dances performed during festivals , imitative dances , dances for entertainment only . Many of these are circular dances and accompanied by song Hokkaido
Ritual Entertainments of Ame no Miya Shrine ( 雨宮の神事芸能 , ame no miya no shinji geinō ) April 29 , every 3 years Elegant dances with hayashi flutes and drums aimed at driving away diseases and evil spirits from the fields and praying for abundant crops . The highlight is the piece Hashigagari in which four large lion heads are paraded in front of the shrine Ame no Miya Shrine , Chikuma , Nagano
Snow Festival ( 雪祭 )   Anan , Nagano
Ritual entertainments of Nangū Shrine ( 南宮の神事芸能 , nangū no shinji geinō ) May 4 -5 Ritual entertainments including ritual rice planting ( otaue ) , mikoshi carrying and ritual dances that serve as a prayer for abundant crops Nangū Taisha , Tarui , Gifu
Kamikamogawa Sumiyoshi Shrine Shinji Dance ( 上鴨川住吉神社神事舞 , kamikamogawa sumiyoshi jinja shinji-mai ) First weekend in October Various forms of entertainment as part of the shrine 's festival , such as : dengaku , noh , sword dances , lion dances , fan dances , and sarugaku Sumiyoshi Shrine , Kamikamogawa , Katō , Hyōgo
Ritual Entertainments of Kasuga Wakamiya On matsuri ( 春日若宮おん祭の神事芸能 , kasuga wakamiya on matsuri no shinji geinō ) December 15 -18 Various entertainments including a presentation of horsemanship skills , kagura , dengaku , bugaku , yamato mai and sarugaku , a form of noh . The festival was initiated by Fujiwara no Tadamichi to welcome and appease the kami in response to a series of floods , famines and disease during the chōshō era Nara , Nara
Takezaki Kanzeonji Temple 's Shujōe Oni Festival ( 竹崎観世音寺修正会鬼祭 , takezaki kanzeonji shujōe oni matsuri ) January 2 -3 A Hadaka Matsuri where men in loinclothes try to stop an oni in a red kimono carrying a box . The event also includes a masked dance of two boys Tara , Saga
Nagasaki Kunchi Hono-Odori ( 長崎くんちの奉納踊 , nagasaki kunchi no hōnō odori ) October 7-9 Part of the Suwa Shrine festival , these are a set of ceremonial dedicatory dances with distinct foreign influences from China , Holland and Portugal : jaodori ( dragon dance ) , lion dance , kujira no shiofuki ( blowing of the whale ) , kokkodesho ( drum dance ) , aranda manzai Nagasaki , Nagasaki
Shujō Oni Festival ( 修正鬼会 , shujō onie ) 7th day of the first month New Year fire festival of Rokugo Manzan praying for a good harvest and health . The event features a fight between two ogres brandishing torches Bungotakada , Kunisaki Peninsula , Ōita
Ada Shinugu ( 安田のシヌグ ) , Two days starting with the day of the boar in the 7th month Ritual praying for a good harvest and health in which men climb a mountain , cover themselves in plants , taking the role of deities for one day Kunigami , Okinawa
Iejima Village Dance ( 伊江島の村踊 , iejima no mura-odori ) Mid November Various dances , including a portrayal of the Chūshingura story Ie , Okinawa
Kohamajima Bon , Kitsugan , and Taneduri Festivals ( 小浜島の盆、結願祭、種子取祭の芸能 ) August 13 -16 , September/October , October/November  Kohamajima , Okinawa
Iriomote Shichi Festival ( 西表島の節祭 , iriomotejima no shichi ) Tenth month Thanksgiving ritual for the harvest in which men row out in boats to meet the deity of abundant crops while women perform dedicatory dances to Maitreya Buddha Iriomote , Okinawa
Tarama Hōnensai Festival ( 多良間の豊年祭 , tarama no hōnensai ) 8th day of the 8th month Variety of dances and drama performed over three days as a thanksgiving prayer for abundant crops . The performances include lion dances , bō-odori , nisai odori and kyōgen Nakasuji and Shiokawa , Tarama , Okinawa
Taketomi Tanadui Festival ( 竹富島の種子取 , taketomi no tanadōi , lit . seed-picking ceremony of Taketomi ) 27th and 28th day of the 9th month Festival with a variety of performing arts including dances by women or girls and kyōgen in dedication to the gods for purifying the ground and starting the sowing of seeds Taketomi , Okinawa
Yonaguni Festival Arts ( 与那国島の祭事の芸能 , yonagunijima no saiji no geinō ) Unfixed dates Ritual entertainment of harvest thanksgiving including a narrative prayer , dances , lion dances , and group dances interspersed with kyōgen performances Yonaguni , Okinawa