Abstract

Jajce is a city (with about 7172 inhabitants), located in central Bosnia, at the confluence of the Pliva and Vrbas rivers (Geographical coordinates: 44º20'27.33''N, 17º16'09.77''E, elevation: 426). Under this name, Jajce appeared relatively late, at the turn of the 14th and 15th centuries, at the time when Hrvoje Vukcic Hrvatinic (1350 - 1416) began to bear (1396) the title „conte di Jajce“. This is also the reason why historiography accepted the opinion that the city was built by the mentioned lord. In this paper, the author deals with the topic of 'sustainability'. In this sense, he visited the entire area of Bosnia and Herzegovina and collected rich material, which he incorporated for the most part into his books and scientific works. Bosnia and Herzegovina is an extremely complex area in terms of the natural and social environment and its population. The three most numerous ethnic groups (Bosniaks, Serbs and Croats) live here, and thanks to its rich history, numerous people of different origins: Jews, Germans, Poles, Czechs, Italians, Hungarians... The composition of the population changed over time, but remained material and spiritual traces of their life in Bosnia and Herzegovina. The complexity of Bosnia and Herzegovina is also visible in its architecture. Hence, for elaborating on the theme of sustainability (in this work using the example of the historical Jajce city), the most suitable scientific methodology was the one covered in his book: Hadrovic, A. (2007). Defining Architectural Space on the Model of the Oriental Style CityHouse in Bosnia and Herzegovina, Serbia, Montenegro, Kosovo and Macedonia, Booksurge, LLC, North Charleston, SC, USA.