Site of the Yoshiwara Gate (吉原大門跡) 吉原大門跡
The gate collapsed in the 1923 earthquake and was never rebuilt: only the name remains.
The great entrance gate collapsed in the Kantō earthquake of 1923 and has not been rebuilt: what remains is the place name and the line of the main street, Nakanochō-dōri, that the houses faced. Nearest station: Minowa, on the Hibiya line.
Tokyo
Minowa, Minami-Senju
Demon Slayer: Kimetsu no Yaiba
Yoshiwara is the stated setting of the Entertainment District Arc. Ōtori Shrine, the neighbourhood's guardian shrine, which is linked to the character Gyūtarō, is about 500 m away.
All the places from Demon Slayer: Kimetsu no Yaiba
https://theanimetrip.com/luoghi/sito-del-portale-di-yoshiwara