CA Immobilien Anlagen AG engages in the business of owning, developing, and managing office properties. It operates through the following segments: Germany, Austria, Eastern Europe Core Regions, Eastern Europe Other Regions, and Holding. The Eastern Europe Core Regions segment includes Poland and Czechia. The Eastern Europe Other Regions segment focuses on Hungary and Serbia. The Holding segment is involved in general management and financing activities. The company was founded in 1987 and is headquartered in Vienna, Austria.