List of battalions of the South Wales Borderers

This is a list of battalions of the South Wales Borderers.

When the regiment was associated with a number of Welsh counties after it became the South Wales Borderers in 1881, it gained those counties' militia and volunteer battalions. These were:

In 1908 the Territorial Force was established and the volunteer battalions joined it. These became:

The three Monmouthshire battalions became The Monmouthshire Regiment, an entirely territorial infantry regiment, although part of the "corps" of the South Wales Borderers.

The 5th (Montgomeryshire) Volunteer Battalion ceased to be part of the South Wales Borderers, and was transferred to the Royal Welsh Fusiliers to form part of the 7th (Merionethshire and Montgomeryshire) Battalion of that regiment.

The regiment, along with its Territorial units, raised nineteen battalions: all these battalions were either disbanded during the war or in the immediate aftermath of it.

The regiment, along with its Territorial units, raised 5 battalions during the war, all of which were either disbanded during the war or in its immediate aftermath.

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