Headquarters of Eutherm d.o.o. is in Vinkovci, Vukovar-Srijem County.

Vukovar-Srijem County is the easternmost Croatian county and is located on the territory of eastern Slavonia and western Srijem. Important international land (road and rail) and river routes (Danube and Sava) pass through the county.
Vinkovci is a town with 31,000 inhabitants. The main industrial branches are agriculture and wood industry.

Vinkovci is known as a city that has existed continuously for more than 8,200 years, which makes it one of the oldest cities in Europe.