is a city

Cities of Japan

||A is a local administrative unit in Japan. Cities are ranked on the same level as and , with the difference that they are not a component of...

 located in northeast Chiba Prefecture

Chiba Prefecture

is a prefecture of Japan located in the Kantō region and the Greater Tokyo Area. Its capital is Chiba City.- History :Chiba Prefecture was established on June 15, 1873 with the merger of Kisarazu Prefecture and Inba Prefecture...

, Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. As of September 2010, the city had an estimated population

Population

A population is all the organisms that both belong to the same group or species and live in the same geographical area. The area that is used to define a sexual population is such that inter-breeding is possible between any pair within the area and more probable than cross-breeding with individuals...

 of 56,074 and a population density

Population density

Population density is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans...

 of 383 persons per km². The total area was 146.38 km².

Geography

Sanmu is located in the northern portion of Bōsō Peninsula

Boso Peninsula

thumb|Locationthumb|Landsat image with high-resolution data from Space Shuttle is a peninsula in Chiba prefecture on Honshū, the largest island of Japan. It forms the eastern edge of Tokyo Bay, separating it from the Pacific Ocean....

 in central Chiba Prefecture, bordered by the Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

 to the east.

Surrounding Municipalities

• Tōgane, Chiba
  Togane, Chiba
  is a city located in Chiba, Japan. As of September 2010, the city had an estimated population of 61,169 and a population density of 685 persons per km²...
  
  
• Yachimata, Chiba
  Yachimata, Chiba
  is a city located in northern Chiba Prefecture, Japan. As of February 2011, the town had an estimated population of 73,118 and a population density of 977 persons per km²...
  
  
• Tomisato, Chiba
  Tomisato, Chiba
  is a city located in northeastern Chiba Prefecture, Japan. As of February 2011, the town had an estimated population of 50,886 and a population density of 944 persons per km²...
  
  
• Kujūkuri, Chiba
  Kujukuri, Chiba
  is a town located in Sanbu District, Chiba, Japan. As of September 2010, the town had an estimated population of 17,749 and a population density of 748 persons per km². The total area was 23.72 km²....
  
  
• Shibayama, Chiba
  Shibayama, Chiba
  is a town located in Sanbu District, Chiba Prefecture, Japan, southeast of the city of Narita. As of 2010, the city had an estimated population of 7,989 and a population density of 184 persons per km². The total area was 43.75 km².-Geography:...
  
  
• Yokoshibahikari, Chiba
  Yokoshibahikari, Chiba
  is a town located in Sanbu District, Chiba Prefecture, Japan. As of September 2010, the town had an estimated population of 24,913 and a population density of 372 persons per km². The total area was 66.91 km².-Geography:...
  
  

History

The city of Sanmu was formed on March 27, 2006 by the merger of the towns of Sanbu

Sanbu, Chiba

was a town located in Sanbu District, Chiba Prefecture, Japan.Sanbu Town was formed on March 1, 1955 through the merger of the villages of Mutsuoka and Hyūga. On March 27, 2006 Sanbu was merged with the towns of Matsuo and Narutō, and the village of Hasunuma, all from Sanbu District to form the...

, Matsuo

Matsuo, Chiba

was a town located in Sanbu District, Chiba Prefecture, Japan.Matsuo Village was formed on April 1, 1889 within Musha District, Chiba. Musha District became part of Sanbu District from April 1, 1897. On August 31, 1898, Matsuo was raised to town status. It expanded through the annexation of the...

 and Narutō

Naruto, Chiba

was a town located in Sanbu District, Chiba Prefecture, Japan.Narutō Town was established on April 1, 1889 within Musha District, Chiba. Musha District became part of Sanbu District from April 1, 1897. On October 1, 1954 Narutō expanded through the annexation of the neighboring villages of Ōtomi...

, and the village of Hasunuma

Hasunuma, Chiba

was a village located in Sanbu District, Chiba Prefecture, Japan.Hasunuma Village was formed on April 1, 1889 within Musha District, Chiba. Musha District became part of Sanbu District from April 1, 1897...

, all from Sanbu District

Sanbu District, Chiba

is a district located in Chiba, Japan.As of September 2010, the district had an estimated population of 100,954 and a population density of 525 persons per km²...

. The kanji

Kanji

Kanji are the adopted logographic Chinese characters hanzi that are used in the modern Japanese writing system along with hiragana , katakana , Indo Arabic numerals, and the occasional use of the Latin alphabet...

for the city name are the same as for the former town of Sanbu, but are is pronounced differently.

Railway

• Jr East
  East Japan Railway Company
  is the largest passenger railway company in the world and one of the seven Japan Railways Group companies. The company name is officially abbreviated as JR East in English, and as in Japanese. The company's headquarters are in Yoyogi, Shibuya, Tokyo....
  
   – Sōbu Main Line

} - -

• Jr East
  East Japan Railway Company
  is the largest passenger railway company in the world and one of the seven Japan Railways Group companies. The company name is officially abbreviated as JR East in English, and as in Japanese. The company's headquarters are in Yoyogi, Shibuya, Tokyo....
  
   – Tōgane Line

}

External links

• Sanmu official website (in Japanese)