Hayama, Kanagawa

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Hayama (葉山町, Hayama-machi) is a town located in Kanagawa Prefecture, on central Honshū, Japan. As of 1 April 2021, the town had an estimated population of 32,961 and a population density of 1900 persons per km².[1] The total area of the town is 17.06 square kilometres (6.59 sq mi). Since 1894, the Japanese Imperial Family has maintained a residence in Hayama, the seaside Hayama Imperial Villa.[2]

Hayama Town Hall
Hayama Town Hall
Flag of Hayama
Official seal of Hayama
Location of Hayama in Kanagawa Prefecture
Location of Hayama in Kanagawa Prefecture
Hayama is located in Japan
Coordinates: 35°16′21″N 139°35′10″E / 35.27250°N 139.58611°E / 35.27250; 139.58611Coordinates: 35°16′21″N 139°35′10″E / 35.27250°N 139.58611°E / 35.27250; 139.58611
 • Total17.06 km2 (6.59 sq mi)
 (April 1, 2021)
 • Total32,961
 • Density1,900/km2 (5,000/sq mi)
Time zoneUTC+9 (Japan Standard Time)
• TreeJapanese black pine
• FlowerRhododendron
• BirdJapanese bush-warbler
Phone number046-876-1111
Address2135 Horinouchi, Hayama-machi, Miura-gun, Kanagawa-ken
WebsiteOfficial website
Morito Beach


Hayama is located at the northern end of Miura Peninsula, facing Sagami Bay on the Pacific Ocean. Geographically, it is often cited as the easternmost point of the Shōnan region.

Surrounding municipalitiesEdit

Kanagawa Prefecture


Hayama has a Humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Hayama is 15.8 °C. The average annual rainfall is 1872 mm with September as the wettest month. The temperatures are highest on average in August, at around 24.6 °C, and lowest in January, at around 6.4 °C.[3]


Per Japanese census data,[4] the population of Hayama has grown relatively steadily until around the year 2000 and is now slightly declining.

Historical population
1920 7,558—    
1930 9,116+20.6%
1940 9,986+9.5%
1950 15,484+55.1%
1960 15,762+1.8%
1970 19,609+24.4%
1980 28,359+44.6%
1990 29,536+4.2%
2000 30,413+3.0%
2010 32,771+7.8%


During the Edo period, all of eastern Sagami Province was tenryō territory under direct control of the Tokugawa shogunate, and administered by various hatamoto. With the establishment of the modern municipalities system the early Meiji period in April 1889, the area was reorganized into Hayama village through the merger of six hamlets. Hayama was elevated to town status in 1925.


Hayama has a mayor-council form of government with a directly elected mayor and a unicameral town council of 14 members. Hayama, together with neighboring Zushi, contributes one member to the Kanagawa Prefectural Assembly. In terms of national politics, the town is part of Kanagawa 4th district of the lower house of the Diet of Japan.


Despite its lack of rail connections, Hayama is now primarily a commuter town for Tokyo and Yokohama and, due to its mild climate, a popular resort area with a marina. From the Meiji period it became a prestigious summer home location for the upper classes of Tokyo, partly due to the prestige of the Imperial villa. In the postwar period, its popularity continued with actors, artists and wealthy expatriates. Local agricultural produce includes shiitake mushrooms, and a brand of beef known as "Hayama-gyu".


Hayama has four public elementary schools and two public middle schools operated by the town government, and one public high school operated by the Kanagawa Prefectural Board of Education.



Hayama has no passenger rail service. The nearest train station is the Yokosuka Line Zushi Station or Keikyū Zushi Line Zushi·Hayama Station in neighboring Zushi.


Sister city relationsEdit

Local attractionsEdit

Notable people from Hayama, KanagawaEdit


  1. ^ "Hayama town official statistics" (in Japanese). Japan.
  2. ^ "Hayama Imperial Villa". Imperial Family of Japan.
  3. ^ Hayama climate data
  4. ^ Hayama population statistics
  5. ^ "City of Holdfast Bay". Archived from the original on May 31, 2010.
  6. ^ "Holdfast Bay wants to save the whales". Guardian Messenger. November 18, 2009. Retrieved November 18, 2009.

External linksEdit