Where are the traditional industries in Japan concentrated?

(1) According to the map, Japanese industries are mainly distributed in the narrow strip along the Pacific coast and the inland sea coast of Seto, which is convenient for the import of raw materials and the export of industrial products;

(2) Japan's coastal plains and excellent harbors facilitate the import of raw materials and the export of industrial products; (3) As can be seen from the picture, ① Tokyo, the capital, ② Kitakyushu.

So the answer is: (1) Pacific Ocean; Seto inland sea; (2) industrial raw materials need to be imported, and most industrial products are exported mainly by sea; Many coastal plains and excellent harbors are suitable for building large-scale industries and ports; (3) Tokyo; Kitakyushu.