Geiko (geisha) Kokin of Osaka, dressed in winter clothing. The same image appears in the book “Kyoto Osaka imayo bijin fuzoku” (The 66 most attractive geisha of Kyoto and Osaka) by Kazumasa Ogawa, published by Hakubunkan, in Meiji 36 (1903). Text and image via Blue Ruin 1 on Flickr
The middle one is called a tayu, which is the highest rank of oiran/courtesan, these are cultered and refined prostitiues. Tayu are the only ones who wore those towering shoes. Next to her are kamuro, "Child attendents" they were her apprentices.