city and centre of a rayon (sector), Vladimir oblast (province), western Russia, on the Gus River. The city has long been famous as a centre of the glass industry, from which it takes its name. Its products, which include cut glass and decorative objects, are exported worldwide. Gus-Khrustalny also has a varied industrial base. There is a museum of glass and crystal. Pop. (2006 est.) 63,7670.