Japan is an archipeligo - essentially the top of a mountain ridge that rises above sea level in many places, each place forming an island in the chain. The Japanese archipelego begins from just north of Taiwan and ends just offshore of Russia (the last Japanese-controlled island is still a matter of dispute between these two countries).
Mt.Fugi
Japanese is in the important landform
mountains
hedged
archipelago
heian-kyo court
rocky islands with very little arable land
landform is a thing.
landform
YES! it is landform
it's land
It is a physical landform, yes.
Yes, river IS a landform.