Nakahara-ku (ward) is one of the seven wards that make up the city of Kawasaki. Major train lines that run through it are the JR Nambu line and the Tokyu Toyoko line. The Nakahara-ku Ward Office is in Kosugi, which is the largest town in this ward. Wards of Kawasaki, Kanagawa Source: [wikipedia: nakahara-ku, kanagawa]