A border town, Kiajori lies in the southern part of Jamui District in Bihar. It is located at an altitude of 856 ft above sea level. Chakai, located 8 km to the north, is the closest major town. Jamui, the district headquarters, is 59 km to the north.
Jamui and Jhajha are interesting tourist options in the vicinity. Lacchaur, famed as the birth place of Lord Mahavir, is of paramount importance to the Jain pilgrims and is located nearby. Other worth visiting place is Sikandra, famed for Jain Mandir Dharmshala.
Nearest airport is Patna Airport. Simultalla Railway Station, on the Jhajha -Jasidih rail route, serves the town.
