Merkur Spielarena (stylized as MERKUR SPIEL-ARENA), previously known as the Esprit Arena (until 2 August 2018), the LTU Arena (until June 2009), and as the Düsseldorf Arena (during the 2011 Eurovision Song Contest), is a multi-functional football stadium in Düsseldorf, Germany. The stadium holds 54,600 and has a retractable roof. Its special heating system allows the stadium to host comfortable events at the height of winter.