Ponsonby is an inner-city suburb of Auckland located 2 km west of the Auckland CBD. The suburb is oriented along a ridge running north–south, which is followed by the main street of the suburb, Ponsonby Road. A predominantly upper-middle class residential suburb, Ponsonby today is also known in Auckland for its dining and shopping establishments – many restaurants, cafes, art galleries, up-market shops and nightclubs are located along Ponsonby Road. The borders of Ponsonby are often seen as being rather fluid, taking in St Mary's Bay and Herne Bay to the north and including Freemans Bay to the east and Grey Lynn to the south and west. Ponsonby is properly bounded by Jervois Road to the north, Richmond Road to the south and Ponsonby Road to the east. The area was originally a working class to middle class area. From the Great Depression until the 1980s it contained many rundown buildings, and had a somewhat 'colourful' reputation. This was partially due to some criminal elements, its many Maori and Pacific Island residents and (from the 1970s onwards) student flats and an association with Auckland's arts and gay/lesbian scenes. Ponsonby includes an area called Three Lamps which is located at the north end of Ponsonby Road. This name is derived from a 19th-century Lamppost (now reconstructed - see below), There are other locations called Three Lamps for the same reason; intersections in the UK - Crewe and Totterdown in Bristol which might conceivably have influenced the derivation here. There was also a Pub with that name in Swansea, Wales and a location in Macau in China. The suburb has undergone extensive gentrification over the last two decades. Addresses in Ponsonby have either the 1011 or 1021 postcode. The Māori name for the ridge was Te Rimu Tahi ('The Lone Rimu Tree'), referring to an ancient tree which, it is claimed, stood in a prominent position at what is now the intersection of Ponsonby Road and Karangahape Road). The main street for which Ponsonby is known is Ponsonby Road, which runs the length of the ridge from the Karangahape Road intersection to the south to the Three Lamps intersection to the north. En route there are three major intersections; Williamson Avenue, which is the main thoroughfare of Grey Lynn to the west, Richmond Road (again to the west), which divides Grey Lynn and Ponsonby and Franklin Road, which is the main road in Freemans Bay to the east.