Toyama, Wakasa & Ishikari bays are arms of this sea
[DOC] [TLE] Sea of Japan - Wikipedia [PAR] The Sea of Japan (see below) is a marginal sea between the Japanese 
archipelago, Sakhalin, .... Gavan, Vladimira, Olga, Posyet in Russia, East Korea 
Bay in North Korea and Ishikari (Hokkaid), Toyama and Wakasa (Honsh) in 
Japan.