DTMC is located in the Department of Economics and Business Economics, Aarhus BSS, Aarhus University, Fuglesangs Alle 4, 8210 Aarhus V, Denmark. The closest airport is Aarhus, about 40 km from downtown. Billund is a larger airport with more international flights, about 100 km from downtown Aarhus. From either airport, you can take an airport bus downtown and from there a taxi. Copenhagen and Hamburg Airports are about 3 hours from Aarhus by train.
You can find more information about travelling to and from Aarhus here: http://econ.au.dk/visitor-information/
Please note that if you take the train from Copenhagen to Aarhus, it’s a good idea to reserve a seat for a small fee. Otherwise there's a risk of having to stand up all the way, and it’s a 3,5 hours trip.