Hirano-ku, Osaka
Hirano-ku (平野区) is one of 24 wards which make up the city of Osaka, and is located in the southeast of the city. It is the largest Osaka ward in population and the only ward to have over 200,000 residents.
In the Sengoku Period, Sakai and Hirano were known as two of the largest autonomous cities in the Osaka region, and were closely linked through a cooperative relationship often referred to as the Hirano–Sakai Alliance.