下野國
Archaeologists have uncovered evidence that the area of Utsunomiya has been continuously settled since the Japanese Paleolithic period onwards, and numerous burial mounds from the Kofun period are found within its borders. The , which is the Ichinomiya of Shimotsuke Province claims to have been founded in 353 AD. The town of Utsunomiya developed around this shrine, and the area was under the control of the Utsunomiya clan, an offshoot of the Fujiwara clan from the Heian through Sengoku periods, and was destroyed by Toyotomi Hideyoshi.