Germany
Signal Iduna Park
| Capacity | 81.365 |
| Opened | April 02, 1974 |
| Location | Strobelallee 50 44139 Dortmund |
| Team |  |
| Operator | Borussia Dortmund GmbH & Co. KGaA |
| Owner | Borussia Dortmund GmbH & Co. KGaA |
Technical | |
| Pitch | 105 x 68 m |
| Surface | Hybrid grass |
| Renovation | opened on April 2, 1974 as Westfalenstadion; capacity reduced to 42,800 in 1992; west/east stand expansion in 1995; expanded to 68,600 in 1999 and south stand became Europe's largest standing terrace; corner expansion 2002-2003, third expansion stage completed on September 13, 2003; SIGNAL IDUNA naming rights since 12/2005; modernization for the 2006 FIFA World Cup; renovation in 2012; capacity 81,365 since the 2015/16 season; hybrid grass since 2025 |