The script on the signs is clearly Vietnamese, with diacritics visible. The heavy presence of motorbikes and the architecture of the narrow, tall buildings are classic hallmarks of a Vietnamese city. The road markings and general urban density suggest a major metropolitan area. I am quite confident this is in Vietnam, likely Hanoi or Ho Chi Minh City. I suspect it is Hanoi based on the specific building styles.

I am 70% sure.

then: guess