The islands belong to Japan , the Liberal Democratic Party says . They are known as the Senkaku in Japan and as the Diaoyu in China . In a statement released on Monday, China's Foreign Ministry said it was "seriously concerned" about Japan's move but did not elaborate. The islands were part of a recent diplomatic battle between Tokyo and Beijing .
The islands belong to Japan , the Liberal Democratic Party says . They are known as the Senkaku in Japan and as the Diaoyu in China . Japan 's foreign minister says he supports the LDP 's request . The islands were part of a recent diplomatic battle between Tokyo and Beijing .