| Location | East of Eurasian Continent 128°06' to 145°49'east longitude 45°31' to 26°59' north latitude |
| Land | An archipelago consisted with 4 main islands |
| Capital | Tokyo |
| Size | Approximately 143,000 square miles, about the same size as U.K. or Italy |
| Geography | 80% covered with foreted mountains with short rapid rivers, small plains and basins, and numerous hot springs |
| Climate | Moderately warm and moist in general |
| Population | 127,590,000 (as of 01/09/2004) |
| Time Difference | 9 hours ahead of G.M.T.( London ) |
| Currency | Japanese Yen (¥) |