Is Portland Street Causeway Bay?

No, Portland Street is located in the old districts of Mong Kok and Yau Ma Tei, China, while Causeway Bay is located in the west of the central north shore of Hong Kong Island, China, so it is not. Causeway Bay is the center of major commercial and entertainment venues. There are many large department stores and shopping centers in this area, including sogou, Times Square, Lee Stage Square and World Trade Center. This is the most expensive place in the world.