The U.S. State Department has explained that "Sea of Japan" is the official name Washington uses to describe the body of water between the Korean Peninsula and Japan.<br />South Korea's Yonhap News Agency reports that an official from the State Department responded to a written inquiry,... saying the name complies with the U.S. Board on Geographical Naming.<br />The official also suggested Seoul and Tokyo reach an agreement on the naming<br />Following President Trump's mentioning of the "Sea of Japan" while meeting with American troops in Japan,... the South Korean government reiterated its stance that "East Sea" must be jointly used.<br />