The Osaka Prefectural Assembly is the legislature of Osaka Prefecture. As in all prefectures, it is elected to four-year terms by single non-transferable vote in multi- and single-member districts and is responsible for enacting and amending prefectural by-laws, approving the budget and important administrative appointments in the prefectural government, including the prefecture's vice governors. The assembly has a regular membership 88 members.

Ikeda is a city in Osaka Prefecture, Japan. As of 31 March 2023, the city had an estimated population of 103,064 in 49723 households and a population density of 4700 persons per km². The total area of the city is 22.14 square kilometres (8.55 sq mi). It is a suburban city of Osaka City and a part of the Kyoto-Osaka-Kobe metropolitan area.