讚岐國
Another story for udon claims that the original name of the noodle was , which was made with wheat flour and sweet fillings. Yet another story says that a Buddhist priest called Kūkai introduced udon noodles to Shikoku during the Heian Era. Kūkai, the Buddhist priest, traveled to Tang Dynasty China around the beginning of the 9th century to study. Sanuki Province claimed to have been the first to adopt udon noodles from Kūkai. Hakata province claimed to have produced udon noodles based on Enni's recipe.