Vaal Triangle, noun phrase
- Origin:
- Named for the Vaal river, which flows through the centre of the ‘triangle’ formed by the three cities.
The highly industrialized area of what was formerly called the southern Transvaal (now Gauteng) and the northern Free State, being largely enclosed within an imaginary figure formed by lines joining the cities of Vereeniging, Vanderbijlpark, and Sasolburg. Also attributive.
1971 S. Afr. Panorama July 46The Vaal Triangle, straddling part of the southern Transvaal and the northern Orange Free State, is formed by Vereeniging, Vanderbijlpark and Sasolburg which comprise its three corners.
1993 Natal Mercury 1 Jan. 2Mr Scott-Wilson said blacks living in the Vaal Triangle were ‘dramatically more pessimistic..than those living in Pretoria’.
The highly industrialized area of what was formerly called the southern Transvaal (now Gauteng) and the northern Free State, being largely enclosed within an imaginary figure formed by lines joining the cities of Vereeniging, Vanderbijlpark, and Sasolburg. Also attributive.

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