Jelaskan Lower Nob Hill dari Kawasan kejiranan di San Francisco dalam bahasa melayu

Lower Nob Hill is generally bounded by Post Street to the south, California Street to the north, Hyde Street to the west, and Powell Street to the east. Lower Nob Hill was originally built as a high-end area and is historically part of Nob Hill. It is also an official historic district called the San Francisco Apartment and Hotel National Register Historic District. The successful nomination was written by architectural historian Ann Bloomfield in the 1980s.