The architecture of the storefront with its dark, classic columns suggests a European urban setting. The art displayed in the window and the minimalist aesthetic point toward a high-end or artistic district in a major city. The small sign on the door is not clearly legible, but the style is consistent with Western European signage. I suspect this is in a city like Paris or Brussels. I am not very sure yet.

then: forward

The "Prosegur" sticker is a major clue, as this security company is very common in Spain and Latin America. The "Art Gallery YOT" sign and the specific style of the stickers on the wall suggest a trendy, urban area. The architecture and the specific aesthetic of the street-level art indicate a city like Buenos Aires, Argentina. I am fairly confident this is in the Palermo district of Buenos Aires.

then: guess