City of Newcastle three wards - City, Macquarie, and Honeysuckle. Eight years later, the "Municipalities Act 1867" classifed the Newcastle Municipality as a "Borough". The "Greater Newcastle Act 1937" merged the City of Newcastle with 10 of its suburban municipalities to form the City of Greater Newcastle. The Act also transferred parts of the Lake Macquarie Shire and Tarro Shire to the new city. The amalgamations and transfers took effect from 2 April 1938. The newly created City of Greater Newcastle was subsequently renamed to City of Newcastle on 23 March 1949. After a 2015 review of local government boundaries by the NSW
Newcastle, KwaZulu-Natal became the ISCOR South Works and subsequently decommissioned the plant after the ISCOR North Works was built, now Arcelor Mittal Newcastle Works today. Today, Newcastle is the main commercial and industrial center in northern KwaZulu-Natal, and is the provinces third largest city. Continuous development has seen this city being a leader in its class and the municipality is striving to make the city sustainable by 2030. The city is the gateway to the Zulu Kingdom from the Free State and Mpumalanga. Located at approximately above sea level, Newcastle is found in the North West corner of the province of KwaZulu-Natal