Altenburg is a more than a thousand-year-old former residence in eastern Thuringia and in the midst of the metropolitan region of central Germany. Altenburg is a town of the district of Altenburger Land. With about 33,000 inhabitants, the city in the national planning has been designated a regional center with partial functions of a regional center. Altenburg was also known by the invented here after 1810 Bingo card game, which is illuminated in the lock and Spielkartenmuseum detail.