Vienna is the main and the largest city in Austria, divided into 23 districts. The city lies on the banks of the Danube, 40 km from the border with Slovakia and the Slovak capital Bratislava. Vienna has about 1.6 million inhabitants (one-fifth of the Austrian population). Symbol of Vienna is St. Stephen’s Cathedral, the seat of the Archbishop of Vienna, and a patron saint of the city is St. Leopold. The headquarters of several international organizations are located in Vienna: OPEC (Organization of Petroleum Exporting Countries), IAEA (International Atomic Energy Agency) and UNIDO (Industrial Development Organization of the United Nations).

Zenica is the fourth-largest city in Bosnia and Herzegovina, and the capital of the Zenica-Doboj Canton of the Federation of Bosnia and Herzegovina entity. Zenica is located about 70 km north of Sarajevo and is situated on the Bosna river, surrounded by a mountainous and hilly landscape. The city is home to 115,134 inhabitants as of 2013.

The city's old quarter contains several attractions, including the former synagogue, dating from 1906, which is now part of the City Museum. There is also a mosque, an Austrian fountain and an old bey's farm house (Hadžimazića Kuća).

Zenica is connected with Sarajevo, by rail and road, both of which run along the valley of the river Bosna. The A1 motorway connects Zenica with Sarajevo and Mostar. The closest airport is Sarajevo International Airport. The railway line continues to the south, eventually reaching the coast at Ploče in Croatia.