Erdgas Arena is an arena in Riesa, Germany. It is primarily used for ice hockey. Erdgas Arena opened in 2004 and holds 5,500 people. ARENA may refer to either: Nationalist Republican Alliance, a political party in El Salvador. ... Riesa - Wikipedia /**/ @import /skins/monobook/IE50Fixes. ... Ice hockey, known simply as hockey in areas where it is more common than field hockey, is a team sport played on ice. ... 2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ...