Largest cities
Tokyo 9,733,000 pop., 37,785,000 urban aggl.
Osaka 2,752,000 pop., 14,916,000 urban aggl.
Nagoya 2,332,000 pop., 9,439,000 urban aggl.
Sapporo 1,973,000 pop., 2,168,000 urban aggl.
Fukuoka 1,612,000 pop., 2,368,000 urban aggl.
Sendai 1,097,000 pop., 1,280,000 urban aggl.
Highest mountains
Mount Fuji 3,776 m (12,388 ft)
Mount Kita 3,193 m (10,476 ft)
Longest rivers
Shinano 367 km (228 mi)
Largest lakes
Biwa 669 kmē (258 sq mi)
Kasumigaura 168 kmē (65 sq mi)
Saroma 152 kmē (59 sq mi)
Largest islands
Honshu 227,943 kmē (88,009 sq mi)
Hokkaido 77,984 kmē (30,110 sq mi)
Kyushu 36,783 kmē (14,202 sq mi)
Shikoku 18,298 kmē (7,065 sq mi)
Okinawa 1,207 kmē (466 sq mi)