2GB is a commercial radio station broadcasting from Sydney, Australia. Founded in 1926, it is one of the oldest and most prominent radio stations in the country. The station broadcasts on 873 kHz AM and is known for its news, talk, and sports programming.

2GB has a rich history, starting as a station owned by the Theosophical Society. Over the years, it has become a leader in Australian radio, being the first to play transcription records in 1933 and becoming the largest producer of radio drama programs in the Southern Hemisphere by 1940.

Today, 2GB is Sydney's top-rated radio station, offering a mix of news, current affairs, talkback, and sports coverage. Its lineup features well-known presenters hosting programs throughout the day, including popular breakfast and morning shows. The station is particularly noted for its coverage of National Rugby League (NRL) games.

As part of the Nine Radio network, 2GB continues to be a significant voice in Sydney's media landscape, providing up-to-date news, engaging discussions, and comprehensive sports coverage to its wide audience.