It sounds like you're asking for a creative piece based on the phrase (though the exact meaning or romanization may vary depending on context—possibly a name, a term from fantasy or gaming, or a poetic phrase in Japanese).
It was not a place, but a person. Or perhaps a curse. shinseki nokotawa
They said a samurai, Shinseki, failed his lord and fled into the bamboo forest. There, he buried his broken sword and renamed himself Nokotawa — "the leftover field." Each night, he replants the sword. Each morning, it grows back rusted. It sounds like you're asking for a creative
Now, if you listen closely at twilight, you can hear the scrape of metal against stone. And if you follow the sound, you will find a man kneeling in an endless circle of his own making. They said a samurai, Shinseki, failed his lord
He will offer you the hilt.