The South Persia Brigade was a brigade of the British Indian Army formed in 1915, for service in south Persia and the Persian Gulf as part of the Persian Campaign. In 1914 at the start of World War I the brigade formation was: * 19th Punjabis * 20th Duke of Cambridge's Own Infantry (Brownlow's Punjabis) * 23rd Sikhs * 25th Punjabis * 26th Punjabis * 34th Royal Sikh Pioneers * 36th Sikhs * 39th Garhwal Rifles