There are three opinions surrounding the location of Korokan; the first opinion was the area lying between the present Tenma-bashi Bridge and Tenjin-bashi Bridge (Osaka) connecting Chuo Ward and Kita Ward (Osaka City), the second opinion was the area near the present Korai-bashi Bridge in Chuo Ward, and the last opinion was the area near Mitsu-tera Temple in the present Shinsaibashi-suji Street, Chuo Ward.
現在の大阪府大阪市の中央区(大阪市)と北区(大阪市)に架かる天満橋から天神橋(大阪府)の間、あるいは中央区高麗橋近辺、または中央区心斎橋筋の三津寺付近にあったと考えられる。