Euromatech holds training courses and seminars in Vienna, the largest city in Austria and also the capital city. The city is Austria’s primary city, with a population of about 1.8 million. Vienna is also the location of many international organisation headquarters including OPEC and the United Nations. Vienna, Austria’s capital, lies in the country’s east on the Danube River. Its artistic and intellectual legacy was shaped by residents including Mozart, Beethoven and Sigmund Freud. The city is also known for its Imperial palaces, including Schönbrunn, the Habsburgs’ summer residence. In the Museums Quartier district, historic and contemporary buildings display works by Egon Schiele, Gustav Klimt and other artists.