Düsselsorf is actually Japanese expats/migrants hotspot in Germany. Had great Japanese foos there on multiple occasions

Highest japanese population outside of Japan IIRC.

Düsseldorf, Germany, is home to Europe’s third-largest Japanese community [1] after London and Paris, featuring roughly 15,000 Japanese residents and hundreds of businesses.

Brazil has the largest ethnic Japanese population outside of Japan, with an estimated 2 million people of Japanese descent. Most of these individuals live in the state and city of São Paulo, which features the famous Japanese neighborhood of Liberdade [2][3].

[1] https://en.wikipedia.org/wiki/Japanese_community_of_Düsseldo...

[2] https://en.wikipedia.org/wiki/Liberdade_%28district_of_São_P...

[3] https://en.wikipedia.org/wiki/Japanese_diaspora