Quiz: Remember the definition of mal de mer?
ken (prefecture), central Honshu, Japan, facing the Pacific Ocean. It is located in the northeastern Kanto Plain. Ibaraki is bordered (south) by the Tone River and contains part of Suigo-Tsukuba Quasi-national Park. Main features of this section of the park include Lake Kasumi (Kasumiga-ura), the second largest Japanese lake after Lake Biwa; the canals and creeks of the Tone River delta; the ancient Shinto Kashima Shrine; and the tourist centre of Itako town.