July 3rd 1919 and the mansion has been emptied when he left Erzurum. The mansion has gained a historical importance when Atatürk came to Erzurum following his visit to Samsun on July 9th 1919 and lived in the mansion with Hüseyin Rauf Bey and his friends for 52 days until August 29th 1919. When Gazi Mustafa Kemal Pasha left Erzurum, the house began to be used as the governor's mansion again.
After the announcement of the Republic, the golden key made by a jeweler from Erzurum upon the order of the Mayor Nazif Bey and the title deed of the house have been presented to Mustafa Kemal Pasha during his visit to Erzurum on September 13th 1924.
The mansion given to the residence of Erzurum army corps commanders between 1930 - 1934, has been inherited to Mrs. Makbule Boysan, sister of Atatürk, upon the death of Atatürk and has been transferred to Child Protection Institution on 12.10.1944, after her death upon her will in accordance with the information obtained from the title deed records. The building that has been used by this institution until 1980, has been transferred to the Ministry of Culture by the Ministry of Health on 8.5.1984.
The building consisting of the basement, ground floor and a roof floor has been repaired and opened to visit as Atatürk Museum on 3.10.1984.

Basement
After the stone - arched, double - winged entrance, the goods, documents and photographs belonging to Kazım Karabekir and Kazım Yurdalan are exhibited on the right side and from this room, the room, where the clothes, guns, photographs and documents belonging to Raif Dinç, who was a member of Erzurum Müdafai Hukuki Milliye Association and Erzurum Congress, is passed via a door.

Across this room, there is the room where the printin machine, with which the unforgettable newspaper Albayrak of the National Struggle Period, the Turkish Newspaper Envari Şarkiye issued in Anatolia and Erzurum Congress notifications were printed, is exhibited.
1st floor
In the first floor, at the landing of the stairs, the big photograph taken during the second visit of Atatürk to Erzurum and armchairs and coffee tables belonging to those years are placed. After that, there is an entrance, from where passage to the hall including the photographs and biographies of Erzurum Congress members, to the reception room and to the bedroom is provided.

July 23rd Congress Hall
It is in the Congress Avenue, to which it has given its name. It has been constructed towards the end of XIXth century.
July 23rd Congress Hall (Atatürk Construction Professional High School) building is serving as fine arts high school.
July 23rd Erzurum Congress has been held in a hall in the first floor of this building that served as the High

School for that period. All wooden parts of the building has burnt during the fire in 1925. The building, which has been repaired after the fire has been opened to service as Construction Art School. A hall in the second floor of the building and two rooms opening to the hall have been arranged as Congress Museum. With Erzurum Congress held under the chairmanship of Atatürk, the bases of the Republic have been constructed in this building and the road going to the Turkish Great National Assembly has been started with this congress. Therefore, this building has a very important place in our Republic history.
In this hall, which has the status of special museum under Ministry of Education, photographs, biographies of congress members, desks belonging to that period and similar congress documents are being exhibited.
The building is U - shaped and consists of a basement and two floors. When the main entrance of the building is taken as basis, there is a symmetry both in the plan and in the front. There are two more entrances except the main entrance. In the first floor just across the stairs, the representative hall of Erzurum Congress is located. When entered to the hall, Atatürk's sculpture, sitting groups in the form of four rows and a map on the wall showing the delegates in accordance with the cities are seen. There are small rooms on both sides of the hall and these are furnished with the furniture belonging to that period.
Museum Tel: (+90 - 442) 234 20 37
Open hours to visit: 07:45 -12:00 / 12:30 - 16:15
Open days to visit: Everyday except Sunday and Monday