This is the Tarihi Sultan Hamam, the Ancient Sultan Bath House.

A 16th century ‘double bathhouse’, with a distinct section for women, which has his separate entrance.
Often the women’s hamam is smaller than the men’s section, but this is not the case here: no discrimination this time.

Correspondent: J.M.Criel, Antwerpen.
Sources: ‘Vakıf Abideler ve eski Eserler’ II - Vakıflar Genel Müdürlüğü, Ankara 1977 & Personal visit (1996).