Iwanuma
| Iwanuma 岩沼市 | |
|---|---|
| Takekoma Shrine, Kanahebisui Shrine Abukuma River, Iwanuma Station Iwanuma urban area, Dontosai festival | |
| Location of Iwanuma in Miyagi Prefecture | |
| Coordinates: 38°06′15.4″N 140°52′12.6″E / 38.104278°N 140.870167°E | |
| Country | Japan | 
| Region | Tōhoku | 
| Prefecture | Miyagi | 
| First official recorded | 842 AD | 
| City settled | November 1, 1971 | 
| Government | |
| • Mayor | Jyunichi Sato (from June 2022) | 
| Area | |
|  • Total | 60.45 km2 (23.34 sq mi) | 
| Population  (May 31, 2020) | |
|  • Total | 43,946 | 
| • Density | 730/km2 (1,900/sq mi) | 
| Time zone | UTC+9 (Japan Standard Time) | 
| - Tree | Japanese Black Pine | 
| - Flower | Azalea | 
| - Bird | Seagull | 
| Phone number | 0223-22-1111 | 
| Address | 1-6-20 Sakura, Iwanuma-shi, Miyagi-ken 989-2480 | 
| Website | Official website | 
Iwanuma (岩沼市, Iwanuma-shi) is a city located in Miyagi Prefecture, Japan. As of 31 March 2020, the city had an estimated population of 43,946 in 18,062 households, and a population density of 730 persons per km². The total area of the city is 60.45 square kilometres (23.34 sq mi). Iwanuma is at the convergence of two ancient roads, the Tōkaidō and the Rikuzen-Hama Kaidō.