is a city located in Ibaraki Prefecture, Japan. , the city had an estimated population of 51,577 in 18,441 households and a population density of 419 persons per km<sup>2</sup>. The percentage of the population aged over 65 was 30.7%. The total area of the city is .
Bandà  is located in far southwestern Ibaraki Prefecture, on the north bank of the Tone River, bordered by Chiba Prefecture to the southwest. It is approximately 50 kilometers northeast of Tokyo.
Chiba Prefecture
Ibaraki Prefecture
Bandà  has a Humid continental climate (Köppen Cfa) characterized by warm summers and cool winters with light snowfall. The average annual temperature in Bandà  is 14.3 ðC. The average annual rainfall is 1316 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.4 ðC, and lowest in January, at around 3.2 ðC.
Per Japanese census data, the population of Bandà  peaked around the year 1990 and has declined slightly since.
The area of modern Bandà  was part of Shimà Âsa Province until the start of the Meiji period. With the establishment of the modern municipalities system on April 1, 1889, the village of Iwai was created within Sashima District, Ibaraki. Iwai was elevated to town status on July 4, 1900, and to city status on April 1, 1972. The city of Bandà  was established on March 22, 2005, from the merger of the city of Iwai with the neighboring town of Sashima.
Bandà  has a mayor-council form of government with a directly elected mayor and a unicameral city council of 20 members. Bandà  contributes one member to the Ibaraki Prefectural Assembly. In terms of national politics, the city is part of Ibaraki 7th district of the lower house of the Diet of Japan.
Bandà  has mixed economy with a large number of industrial parks. The area is traditionally known for its production of leeks, lettuce and Chinese cabbage.