No. They painted Mt. Fuji at the place where they couldn't see it, or even Chinese locations like your scroll.The scroll scene might be in the neighbourhood
谷文晁 - Wikipedia文晁は鷹揚な性格であり、弟子などに求められると自分の作品でなくとも落款を認めた。また画塾 写山楼では講義中、本物の文晁印を誰もが利用できる状況にあり、自作を文晁作品だと偽って売り、糊口をしのぐ弟子が相当数いた。購入した者から苦情を受けても「自分の落款があるのだから本物でしょう」と、意に介さなかったという。これらのことから当時から夥しい数の偽物が市中に出回っていたと推察できる。従って鑑定に当たっては落款・印章の真偽だけでは充分ではない。
As I wrote above, it's somewhere in China (including imaginary places) anyway.As for the scene, like Mt Fuji, it might be a recognizable village in case it was more often painted, Ofcourse a fantasy place is very likely. But then it might be a "known" fantasy city. Like all gods to me are fantasy, but very recognizable in paintings.
I don't know. He also lived in Shirakawa, the present Fukushima prefecture, for instance.As I understood 水雲山居 is the name of his studio?
Would that be in 下谷 (now in Tokyo?) where he died?
Apologies for misinterpreting your remark about China, I had misread it as being a possibility.As I wrote above, it's somewhere in China (including imaginary places) anyway.