Chiba - Home of the World's Most Famous Shibas - Chiba is the hometown to Atsuko Sato, 62-year-old nursery school teacher, and her famous Shiba Inu's: Neiro and Kabosu. All their beloved memories were made here in this City. Chiba is a Japanese prefecture encompassing Tokyo's eastern outskirts and rural Bōsō Peninsula. Chiba’s northeastern Kujūkuri Beach stretches some 60km along the Pacific.