Teralba is a town and suburb of the City of Lake Macquarie in New South Wales, Australia, between the towns of Speers Point and Booragul on the northern shoreline of Lake Macquarie. The town first came into being with the construction of the Homebush to Waratah Railway in the early 1880s.

Early industries included coal mining, gravel quarries and market gardens. Teralba Railway Station opened in 1887. The first meeting of the Lake Macquarie Shire Council was held in Teralba Court House in 1906.

A company called the Great Northern Coal Company was formed in the 1880s which leased 2,000 acres (8.1 km²) which became known as the Great Northern Coal Company mine. It went through two more name changes before, finally, in 1914 becoming the Pacific Colliery.

Teralba Public school was opened in 1884. At the centre of the school is a school bell used since the end of the 19th century. The bell is located in a memorial garden for Kevin Lester Peterson, opened by acting principal Mr Tattersal and Kevin Peterson's family. Kevin Peterson was the Principal of Teralba Public School from 1974-1986 and organised the school Centenary celebrations in 1984.

The hill to the south of Teralba is Billy Goat Hill. The area around Victoria Street was known as Monkey Town until the 1940s. This may have been due to the Chinese Gardens in the area between Victoria Street and Cockle Creek, or because one of the local residents had a pet monkey. The area around Rhondda Road was originally known as the "Gravel Pits".

Notable buildings in Teralba include the old mine manager's home at the top of Rodgers Street Teralba, A large house on Railway Street with the initials AS (Andrew Sneddon- Killed in action in World War I). This home was owned by the Frith family- prominent local business family until the late 1990s. The Teralba Public school main building, built in 1898 for Teralba Colliery. On the waterfront at the corner of Anzac Parade is a large pale brick building now divided into small flats. This building was originally timber and called The Lake Maquarie Hotel until 1972 when it was clad and renovated.

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