I see a sumo wrestling ring (dohyo) with a traditional roof structure suspended above it, which is iconic to Japan. The Japanese flag is clearly visible, confirming the country. This is clearly the Ryōgoku Kokugikan, the main sumo arena in Tokyo. The architecture and the specific layout of the seating are unmistakable for this venue. I am very confident in this location.

Country: Japan
City: Tokyo
Confidence: Very high

then: guess