Fürstlich Sächsischer Hofbuchdruckerei of Altenburg, Germany, is used generically in this article to denote a succession of book printers (sometimes synonymous with "publishers") based in Altenburg, in the German state of Thuringia (formerly East Germany), that — under various capacities, names, and owners – have endured as one continuous printing operation, without interruption (save and except wars), for four hundred and twenty-eight years — since 1594, the early modern German period. The bookbinding aspect of the business included a bindery.