- Ibaraki city is a city located in Ibaraki Prefecture, Japan. It is the capital city of the prefecture and serves as an important cultural, economic, and administrative center. Ibaraki city has a population of around 275,000 people. The city is known for its beautiful parks, historical landmarks, and vibrant festivals. Some popular attractions in Ibaraki city include Kairakuen Garden, Ibaraki Prefectural Museum of History, Suigo Itako Ayame Garden, and Hitachi Seaside Park. The city also offers various shopping, dining, and entertainment options for residents and visitors.