(Looking north along George Street (with tram, T-model Ford and hansom cab) from Union Line Building (incorporating the Bjelke-Petersen School of Physical culture), corner Jamieson Street), n.d. by, c. 1935(Looking north along George Street (with tram, T-model Ford and hansom cab) from Union Line Building (incorporating the Bjelke-Petersen School of Physical culture), corner Jamieson Street), n.d. byc. 1935

From Wikipedia

The Sydney central business district (CBD) is the historical and main commercial centre of Sydney. The CBD is Sydney's city centre, or Sydney City, and the two terms are used interchangeably.

Read more about Sydney city centre on Wikipedia ↗

Shortened from “Sydney central business district” by Wikipedia's contributors, CC BY-SA 4.0.

Sydney city centre by decade

Streets and landmarks in Sydney city centre

A sample across the years

1,560 historic photos of Sydney city centre, taken between 1828 and 1999. They span 16 decades, with the most from the 1930s (497). They come from Wikimedia Commons; each photo’s page gives its credit, its licence and a link to its original record.