The Boy and Girl in the Pine Grove - Unai Matsubara

...It is said that it was originally associated with the viewing of the country in spring, but in any case it was a joyous event linked to celebration and gratitude for a good harvest. The places where it was held were the heights of mountains, fields, watersides, and market squares where words of wisdom cross paths, especially Mount Tsukuba and Unai Pine Grove in Hitachi (Hitachi no Kuni Fudoki), Mount Kishima in Hizen (Hizen no Kuni Fudoki), Tsubaichi in Yamato Sea (Manyoshu, Volume 12, present-day Sakurai City), and Karu (Karu Market)....

*Some of the terminology that refers to "Doujijo Matsubara" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…初めは春の国見と相関したともいうが，ともかく豊作の予祝や感謝と結んだ歓楽であった。場所は，山の高み，野，水辺，また言霊（ことだま）の行きあう衢（ちまた）の市（いち）の広場など，とくに常陸筑波山･童子女（うない）松原(《常陸国風土記》)，肥前杵島（きしま）岳(《肥前国風土記》)，大和海柘(石)榴市（つばいち）(《万葉集》巻十二。現，桜井市)･軽（かる）(軽市（かるのいち）。…

※「童子女松原」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報