Aizawl district is one of the eight districts of Mizoram state in India. The district is bounded on the north by Kolasib district, on the west by Mamit district, on the south by Serchhip districts and on the east by Champhai district. The district occupies an area of 3,576.31 square kilometres (1,380.82 sq mi). The headquarters of the district is Aizawl city, the capital of Mizoram. As of 2011 it is the most populous district of Mizoram (out of 8).
The district is named after its headquarters, Aizawl city. In the Mizo language, ai, also known as aidu, refers to a species of turmeric while zawl means plain or field. The name of the city was probably derived from the abundance of the aidu in the area during previous years.
The district has 5 R.D. Blocks, Aibawk, Darlawn, Phullen, Thingsulthliah and Tlangnuam.
The district has 14 legislative assembly constituencies. These are Tuivawl, Chalfilh, Tawi, Aizawl North-I, Aizawl North-II, Aizawl North-III, Aizawl East-I, Aizawl East-II, Aizawl West-I, Aizawl West-II, Aizawl West-III, Aizawl South I, Aizawl South II and Aizawl South III.