States of Austria arable terrain. The other five states, in contrast, are located in the Alps and thus are comparatively unsuitable for agriculture. Their terrain is also relatively unfavourable to heavy industry and long-distance trade. Accordingly, the population of what now is the Republic of Austria has been concentrated in the former four states since prehistoric times. Austria's most densely populated state is the city-state of Vienna, the heart of what is Austria's only metropolitan area. Lower Austria ranks only fourth with regard to population density even though it contains Vienna's suburbs; this is due to large areas of land being predominantly agricultural.
XXIII Corps (United States) XXIII Corps (United States) The XXIII Corps was a corps-sized formation of the United States Army that was activated on January 15, 1944 at Camp Bowie, Texas during World War II. During the war, XXIII Corps served in the European Theater of Operations (ETO) as part of the Fifteenth Army. After the end of the war the corps was inactivated on February 10, 1946 in Germany and disbanded on July 12, 1950. XXIII Corps served primarily as an occupation and military government force around Trier, Koblenz, and areas of western Germany (the southern area of what was termed the "Rhineprovince