The first bigger regular hospital in Sarajevo was built by the Bosnian vali Osman-pasha in the year 1866 and had only 32 beds. The construction expenses and keeping, according the Porta's approval was supported by Gazi-Husrevbeg's Vakuf, the name was The Vakuf's Hospital. In the year 1894, initiated by the Regional Government (Landesregierung) the Regional Hospital (Landesspital) came to existence, 1894, when opened had 238 beds, with modern outfits and technical facilities. There were 4 departments: Internal, Surgery, Dermatovenerology and Gynecology-Obstetrics. The Department for Internal Diseases had 50 beds. The first chief was Primarius Dr Geza Kobler, came from the Viennese Medical Faculty and had been assistant to Prof. Schretter. Simultaneously, he was director of the Hospital. His assistants were: Dr Berthold Haas to 1898 and Dr Heinrich Propper to 1900 and the interns were: Dr Bodo Koloman, Dr Alexander Dorner, Dr Erwin Horn, Dr Dragan Plentaj and Dr Risto Jeremić. Later, as chief was appointed Dr Ludomil Sas-Korcinski, professor of the Cracau University, his associates were to the year 1910: Dr Hamdija Karamehmedović, later to became chief of the Department for Infectious Diseases and the Intern, Dr Mustafa Kadić. At the eve of the World War 1, in 1914, the pavilion "K" was built, where the Department housed. At that time chief was Primarius Dr Ljubo Bilić, while his associates were Dr Gavro Bozić, Dr Vjekoslav Kusan and Dr Duro Ostojić. Later, some other doctors same, having a permanent job, Dr Bogdan Zimonjić, Dr Miron Simić, Dr David Pinto, Dr Sreten Kaluräercić and Dr David Baruh.(ABSTRACT TRUNCATED AT 250 WORDS)