Banja Luka is the largest city of the Republika Srpska entity and second largest city in Bosnia and Herzegovina after the capital Sarajevo. The city lies on the River Vrbas and is well known in the countries of the former Yugoslavia for being full of tree-lined avenues, boulevards, gardens, and parks. According to the 2013 census the City of Banja Luka, has 185,042 inhabitants.

Banja Luka has a moderate humid subtropical climate which borders a humid continental climate, with cold winters and warm summers. The warmest month of the year is July, with an average temperature of 21.3 °C. The coldest month of the year is January, when temperatures average near freezing at 0.8 °C.

Due to its long history, Banja Luka is rich in culture. There are several museums including the Museum of Bosanska Krajina, the Ethnographic Museum established in 1930, and the Museum of Modern Art of Republika Srpska which is also called MSURS the Museum of Contemporary Art. Banja Luka is also the home of the national theatre and library, both dating from the first half of the 20th century, and of numerous other theatres. The headquarters of the Archives of Republika Srpska is situated in the building known as Carska kuća or Imperial House, build around 1880. It has been in continuous public use longer than any other structure in Banja Luka.

The natural beauties of the surrounding area guarantee the city of Banja Luka a good position in tourism. he city and surrounding area boast a number of popular tourist attractions. Among the most famous are the pools, thermal springs, and spas in the region. Due to its parks and over 10 000 trees Banja Luka was once nicknamed the "Green City".

Indjija is a town and a municipality located in the Srem District of the autonomous province of Vojvodina, Serbia. According to the legend, the name of the town comes from Turkish word "ikindia" – meaning evening prayer and is related to the time after 1699 when the town fell under Turkish rule. On the other hand, there is the claim that the town was named after the name of Orthodox women – Indjija.

Numerous cultural historical monuments, modern and prehistoric, are testify to the turbulent history of this region. Remains of Roman and medieval fortress and a monument to the Battle of Slankamen talk about the strategic importance of this area of the Danube, which was the border of various empires through history.

Urban core Indjija dates from the late nineteenth and early twentieth century, from the period of industrial development and the period of German nationality residents settling when building of Municipal Administration, house of Vojnovics, the Roman Catholic Church of St. Peter, the building of the presbytery and townhouses with frontage eclectically designed with elements Baroque, Classical, Renaissance and Art Nouveau were built.

With its new pedestrian zone with a monumental square, modern building of the Cultural Center[5] floral arrangements and street furniture, Indjija builds an image of the European city tailored for a modern man.