Luxembourg city 's metropolitan population is of more than 115,000 people .
The city 's metropolitan population , including that of surrounding communes of Hesperange , Sandweiler , Strassen , and Walferdange , is 103,973.In 2011 , Luxembourg was ranked as having the second highest GDP in the world , with a per capita GDP ( PPP ) of $ 80,119 ( US Dollars ) , with the city having developed into a banking and administrative centre .
Luxembourg City