Austria is a country located in the Central part of Europe. The Alpine terrain of Austria is very rugged. Austria ranks number 12 in the list of richest countries of the world. These are the list of the ten most expensive cities in Austria; Klagenfurt is the most expensive city in Austria. An average cost of rent for a one bedroom flat for a month in the main city goes for 440.00euros while an average cost of rent for a one bedroom flat for one month outside the city is 346.67. Click the next ARROW to see the next City!