Lohardaga district is one of the twenty-two districts of the Indian state of Jharkand. It is named for the town of Lohardaga, the administrative headquarters of the district. The district was created from a portion of Ranchi district in 1983. The District of Lohardaga is located in the south western part of Jharkhand State between 32030” to 23040” north latitude and between 84040” to 84050” east longitude covering an area of 190.82 Km2 in the tribal belt of Chotanagpur plateau.
The district is divided into two broad physical divisions viz : (i) the Hilly Tract and (ii) the Plateau Region. Lohardagga's history dates to hoary antiquity. Jain literature refers to Lord Mahavir's visit to a place called "Lore-a-Yadaga," a term that also appears in Mundari literature. lore-a-Ydaga' in Mundari means river of tears. There is reference to Kismate Lohardaga in 'Aain-e-Akbari' as well.
Lohardaga was India's smallest district in area, now the smallest district is Pakur in Jharkhand. The district covers an area of 1491 square kilometers. It has five blocks namely:Lohardaga, Kuru, Bhandra, Kisko and Senha. This district has a pace setting institution Jawahar Navodaya Vidyalaya Yojna in the block Senha.
The inhabitants of this district mainly depend on agriculture, forest produce and seasonal migration to different parts of the country. 80% of the population depends upon agriculture. The main crop of this area is paddy. In the small irrigated area wheat is grown to meet the annual food sufficiency. Also this district is linked with larger vegetable markets like Jamshedpur, Rourkela and Calcutta.