| Hitachiōta | |
| Native Name Lang: | ja |
| Settlement Type: | City |
| Pushpin Map: | Japan |
| Pushpin Map Caption: | |
| Coordinates: | 36.5383°N 140.5309°W |
| Subdivision Type: | Country |
| Subdivision Name: | Japan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Kantō |
| Subdivision Type2: | Prefecture |
| Subdivision Name2: | Ibaraki |
| Leader Title: | Mayor |
| Area Total Km2: | 371.99 |
| Population Total: | 47922 |
| Population As Of: | September 2020 |
| Population Density Km2: | auto |
| Timezone1: | Japan Standard Time |
| Utc Offset1: | +9 |
| Blank Name Sec1: | City Symbols |
| Blank1 Name Sec1: | - Tree |
| Blank1 Info Sec1: | Zelkova serrata |
| Blank2 Name Sec1: | - Flower |
| Blank2 Info Sec1: | Kerria japonica |
| Blank3 Name Sec1: | - Bird |
| Blank3 Info Sec1: | Alcedo atthis |
| Blank Name Sec2: | Phone number |
| Blank Info Sec2: | 0294-72-3111 |
| Blank1 Name Sec2: | Address |
| Blank1 Info Sec2: | 3690 Kanai-chō, Hitachiōta-shi, Ibaraki-ken 313-8611 |
right|thumb|250px|Seizan-so is a city located in Ibaraki Prefecture, Japan., the city had an estimated population of 48,074 in 19,327 households and a population density of 129.2 persons per km2. . The percentage of the population aged over 65 was 36.2%.[1] The total area of the city is 371.99sqkm.
Hitachiōta is located in northeastern Ibaraki Prefecture, bordered by Fukushima Prefecture to the north. The city is long from north to south, and has the largest area of any municipality in Ibaraki prefecture. From the west, the Asakawa, Yamada, and Sato rivers flow in parallel to the south, and the villages and cultivated lands are spread in the valleys along each river. The rivers all join the Kuji River, which runs through the southern border of the city.
Ibaraki Prefecture
Fukushima Prefecture
Hitachiōta has a Humid continental climate (Köppen Cfa) characterized by warm summers and cold winters with heavy snowfall. The average annual temperature in Hitachiōta is 13.9 °C. The average annual rainfall is 1426 mm with September as the wettest month. The temperatures are highest on average in August, at around 25.2 °C, and lowest in January, at around 3.6 °C.[2]
Per Japanese census data,[3] the population of Hitachiōta peaked in the 1950s and has declined since.
The town of Ōta was established with the creation of the modern municipalities system on April 1, 1889. It was raised to city status on July 15, 1954. On December 1, 2004, the town of Kanasagō, and the villages of Satomi and Suifu (all from Kuji District) were merged into Hitachiōta, more than tripling its size and increasing its population by about 20,000.
Hitachiōta has a mayor-council form of government with a directly elected mayor and a unicameral city council of 18 members. Hitachiōta contributes two members to the Ibaraki Prefectural Assembly. In terms of national politics, the city is part of Ibaraki 4th district of the lower house of the Diet of Japan.
The economy of Hitachiōta is primarily agricultural.
Hitachiōta has 12 public elementary schools and five public middle schools operated by the city government, and three public high schools operated by the Ibaraki Prefectural Board of Education.
- La Trinidad, Benguet, Philippines, sister city
- Yuyao, Zhejiang, China, Friendship city - Hunchun, Yanbian Korean Autonomous Prefecture, Jilin, China, Friendship city