Setouchi, Okayama

Setouchi
瀬戸内市
Ushimado Port and resort area
Location of Setouchi in Okayama Prefecture
Setouchi
Location in Japan
Coordinates: 34°40′N 134°6′E / 34.667°N 134.100°E / 34.667; 134.100
CountryJapan
RegionChūgoku (San'yō)
PrefectureOkayama
Government
  MayorKentaro Kuroishi (since June 2025)
Area
  Total
125.45 km2 (48.44 sq mi)
Population
 (February 1, 2023)
  Total
36,499
  Density290/km2 (750/sq mi)
Time zoneUTC+09:00 (JST)
City hall address300-1 Oku-cho Owari, Setouchi-shi, Okayama-ken 701-4292
ClimateCfa
WebsiteOfficial website
Symbols
BirdJapanese white-eye
FlowerChrysanthemum
TreeOlive

Setouchi (瀬戸内市, Setouchi-shi) is a city located in southern Okayama Prefecture, Japan. As of 31 January 2023, the city had an estimated population of 36,499 in 15,934 households and a population density of 290 persons per km². The total area of the city is 125.45 square kilometres (48.44 sq mi).