is a district located in Chiba Prefecture, Japan. As of 2011, the district has an estimated population of 43,480 and a density of 845 persons per km². The total area is 51.48 km². There are two towns within the district. * Sakae * Shisui

District timeline

*January 1, 1957 - Parts of Yotsukaidō merged into the city of

Sakura A cherry blossom, also known as Japanese cherry or sakura, is a flower of many trees of Prunus, genus ''Prunus'' or Prunus subg. Cerasus, ''Prunus'' subg. ''Cerasus''. They are common species in East Asia, including China, Korea and especia ...

. *September 1, 1964 - The village of

Shiroi is a city located in Chiba Prefecture, Japan. , the city had an estimated population of 63,190 in 26,204 households and a population density of 1800 persons per km². The total area of the city is . The name of the city comes from the word for ...

gained town status. *April 1, 1981 - The town of Yotsukaidō gained city status. *April 1, 1985 - The village of Tomisato gained town status. *April 1, 1992 - The town of

Yachimata 260px, Peanut fields in Yachimata is a city in Chiba Prefecture, Japan. , the city had an estimated population of 68,769 in 32,118 households and a population density of 920 persons per km². The total area of the city is . Geography Yachimata ...

gained city status. *April 1, 1996 - The town of

Inzai file:Inzai city hall.JPG, 260px, Inzai City Hall is a Cities of Japan, city located in Chiba Prefecture, Japan. , the city had an estimated population of 105,463 in 42,388 households and a population density of 850 persons per km². The total are ...

gained city status. *April 1, 2001 - The town of Shiroi gained city status. *April 1, 2002 - The town of Tomisato gained city status. *March 23, 2010 - The villages of Inba and Motono merged into the city of

. Districts in Chiba Prefecture {{Chiba-geo-stub