1. London Bridge: Mentioned several times, London Bridge marks a significant location in the city and serves as a symbolic divide between the more prosperous areas and the poorer, crime-infested districts.
2. Parish of St. James's: This affluent neighborhood is home to wealthy individuals and is in stark contrast to the impoverished settings elsewhere in the novel.
3. Saffron Hill: A notorious slum area known for its overcrowded living conditions and poverty, Saffron Hill is where Oliver initially lives and encounters many hardships.
4. Mayfair: Another wealthy district is Mayfair, where the Artful Dodger leads Oliver and other boys as part of the pickpocketing gang.
5. Old Bailey: The Central Criminal Court of England and Wales is located at Old Bailey. This is where Fagin is tried for his criminal activities.
6. River Thames: The River Thames plays a significant role, with bridges, such as London Bridge and Blackfriars Bridge, serving as important landmarks and connecting different parts of the city.
7. Workhouses: The novel depicts the harsh conditions of the workhouses, particularly the one in Mudfog, where Oliver and other orphans suffer under deplorable living conditions.
8. Pentonville Prison: Another important location is Pentonville Prison, where Bill Sikes hides and meets his eventual fate.
Dickens' descriptions of London's geography highlight the class divisions and social disparities of the time. The wealthy areas stand in stark contrast to the impoverished neighborhoods, adding depth to the challenges and struggles faced by Oliver Twist and the other characters in the novel.