The signage is clearly in Japanese, featuring brands like Christian Louboutin and Komehyo. The architectural style and the high density of luxury retail stores are characteristic of a major Japanese city. The street layout and pedestrian-focused paving suggest a high-end shopping district, likely in Tokyo. I recognize the "Komehyo" sign, which is a well-known luxury second-hand retailer in Japan. I am very confident this is in the Ginza district of Tokyo.

then: guess