is a city located in Saitama Prefecture, Japan. , the city had an estimated population of 80,236 in 40,482 households and a population density of 1200 persons per km<sup>2</sup>. The total area of the city is .
Gyà Âda is located in north-central Saitama Prefecture, with the Tone River separating it from Gunma Prefecture. The entire city is located on the alluvial plain of the Tone River and the Arakawa River. The altitude is 19.7 meters above sea level (Gyoda City Hall), and the city as a whole is around 20 meters above sea level. The highest point is 36 meters above sea level (in Saitama Kofun Park).
Gyà Âda has a Humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Gyà Âda is 14.5 ðC. The average annual rainfall is 1300 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.7 ðC, and lowest in January, at around 3.5 ðC.
Per Japanese census data, the population of Gyà Âda peaked around the year 2000 and has declined since.
Gyà Âda contains many Kofun period burial mounds and has been inhabited since prehistoric times. âÂÂSaitamaâ is a local place name within Gyà Âda, and is recorded in Nara period documents. During the Sengoku period, Oshi Castle famously withstood a siege by Ishida Mitsunari in 1590. During the Edo period Tokugawa shogunate, the castle was the center of Oshi Domain, ruled by a branch of the Matsudaira clan until 1871, during which time the castle town prospered from its location on the Nakasendà  highway.
The town of Gyà Âda was created within Kitasaitama District, Saitama with the establishment of the modern municipalities system on April 1, 1889. On April 1, 1937, Gyà Âda annexed the neighboring villages of Nagano, Hoshikawa and Mochida. It was elevated to city status on April 23, 1949. From 1954 to 1955, the city expanded by annexing the neighboring villages of Araki, Suka, Kitakawahara, Saitama, Hoshimiya, and à Âi. On January 1, 2006, the village of Minamikawara (from Kitasaitama District) was merged into Gyà Âda.
Gyà Âda has a mayor-council form of government with a directly elected mayor and a unicameral city council of 20 members. Gyà Âda contributes one member to the Saitama Prefectural Assembly. In terms of national politics, the city is part of Saitama 12th district of the lower house of the Diet of Japan.
Gyà Âda has a mixed economy of agriculture and light manufacturing, especially for automobile components. SHOWA Corporation, a global manufacturer of automotive, motorcycle and outboard suspension systems, is headquartered in the city.
JR East â Takasaki Line
Chichibu Railway â Chichibu Main Line
Zeri Furai is a local speciality consisting of fried bean curd, carrots, onion, and potato. There are many shops which sell it around town, especially during the warmer seasons.
Gyà Âda is a center for traditional tabi socks, worn with kimono. Gyoda still makes half of the tabi made in Japan.