In order to maintain the historic buildings in lasting service to the community aid to conserve them in their authentic structures it is required that these buildings be furnished with the proper functional reformations. To insure this, the synthesis of the data obtained by the vast analysis and assessment of the historic building and the townscape - whole city - country interaction must be done. In this connection, there has been applied inquiry studies with three subject groups chosen from the people of Ankara in order to find out the data that will be helpful in the adaptation to the actual conditions of the planning studies of "Kaleiçi" of Ankara that have been previously subjected to some unplanned modifications. Finally, the evaluation of these inquiries has resulted in the establishment of some proposals for the Preservation and Rehabilitation Plan of Ankara Kaleiçi.