Agatsuma District (吾妻郡, Agatsuma-gun) is a rural district located in Gunma Prefecture, Japan.
[1] As of January 2015, the district had an estimated population of 56,994 and an area of 1,278.55 km2, with a population density of 44.6 people per square kilometer.
The area of Agatsuma District was formerly part of Kōzuke Province, and per a census conducted at the start of the Meiji period, consisted of 42 villages administered as tenryō directly by the Tokugawa shogunate and four towns and 44 villages administered as hatamoto-territory, primarily by the Oguri-clan.
With the establishment of the municipality system on April 1, 1889, the area was organized into three towns (Nakanojō, Haramachi, and Naganohara) and ten villages