Coo! I see Italian text on the billboards, specifically mentioning "Napoli" and "Teatro Diana." The tall, umbrella-shaped pine trees are classic Mediterranean stone pines, very common in the Italian landscape. The driving side is on the right, consistent with Italy. I am quite confident this is in the city of Naples.

I suspect this is in Italy, specifically in the Vomero district of Naples. I am 90% sure.

then: guess