What is the name of this independent municipality that has an area less than 9 km and has the street of Vesterbrogade running through it?
Frederiksberg:  It is formally an independent municipality, Frederiksberg Municipality, but is typically treated as a part of Copenhagen. Frederiksberg:  It occupies an area of less than 9 km and had a population of 103,192 in 2015.
i don't know