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Built as a ferry under yard No. 448 by Hawthorn, Leslie & Co. Ltd., Newcastle for Chirket I Hairie – Bosphorus SN Co., Istanbul.
Launched under the name BOSPHORUS No. 68. 13 sisterships all named BOSPHORUS No --
Tonnage 453 gross, 242 net, dim. 46.43 x 7.95 x 2.49m.
Two 3-cyl. triple expansion steam engines, manufactured by Wallsend Slipway Co. Ltd., Wallsend-on-Tyne. 440 ihp. Twin propellers.
Passenger capacity around 900 persons.
July 1911 delivered to owners.

Used in the ferry service across the Bosphorus.
Two of this ferries were sunk during World War I.
1945 Sold to T.C. Mûnakalat Vekâleti Devlet Denizyollari ve Limanlari Isletme U.M., Istanbul.
1952 Sold to Denizcilik Bankkasi T.A.O., Istanbul.
1954 renamed in GÛZELHISAR.
1986 Out of service, retained by the owners for use as a museum ship, and possible for future operation on charter for making films.
1988 Deleted from Lloyds Register.
A Google search did not give much more info on her, so most probably scrapped.

On Turkey 1989 1000li sg 3048, scott 2445.

Source: Mario Rosner. Steam Ships of Europe by Alistair Deayton. Register of Merchant ships completed

IMO.5138670, since 1989 floating hotel/restaurant in Istanbul.

Additional info about Güzelhisar.
Güzelhisar was built in 1911 as a ferry for Şirket-i Hayriye (Ottoman Shipping Company in İstanbul).Funnel number was 68 (ships mostly known as their funnel numbers in that time). Her sister ship was Kalender (Funnel number 67)
First Captain of her was Eksenefon Efendi and First Chief Engineer was Koço Efendi.
Name of ship was taken from a place where Ottoman Sultan Yıldırım Bayezid (Bayezid I, Ottoman Sultan from 1389 to 1402) built a fortress in the Bosphorous as part of preparation for the second Ottoman Siege of Constantinople in 1393, Güzelhisar or Yenicehisar (nowadays called as Anadolu Hisarı) in Turkish language.
Her speed was 12.5 knots. Summer passenger capacity 970 and winter passenger capacity was 790.
During World War-I she was torpedoed by British submarine E-11 in 5th of July 1915 in Marmara Sea, but repaired in the Hasköy Shipyard in same year and served again.
Serviced 75 years in İstanbul Boğazı (Bosphorous) as a passenger ferry.
Last Captain was İbrahim Kaptan, last chief engineer was Hasan Bey.
She was the last survived ferry from Şirket-i Hayriye (Ottoman Shipping Company) time.
Scrapped in 2010.
Picture 1. Photo of her
Picture 2. Some Captains served on Güzelhisar
Picture 3. Final voyage of Güzelhisar with her Captain
Source: http://www.wowturkey.com
Source: Sirket-i Hayriye-Eser Tutel