Vizagapatam District (Madras Presidency)
Vizapatam district, which included the Vizagapatam Hill Tracts Agency, was, till the formation of Orissa Province in 1936, the largest district in British India. It covered the areas of the present-day districts of Visakhapatnam and Vizianagaram in Andhra Pradesh and the districts of Koraput, Malkangiri, Nabarangapur and Rayagada in present-day Orissa. The headquarters was the town of Vizagapatam, now known as Visakhapatnam.
Vizagapatam district was sub-divided into 22 taluks some of which were agencies.
- Koraput Agency (Area: 1,740 square kilometres (671 sq mi); Headquarters: Koraput)
- Nowrangapur Agency (Area: 5,630 square kilometres (2,172 sq mi); Headquarters: Nowrangapur)