Siemens Arena, located in Šeškinė elderate of Vilnius, is the second largest arena in Lithuania. It generally hosts basketball games as well as concerts. The arena opened on October 30, 2004. The basketball club BC Lietuvos Rytas, which currently competes in the domestic LKL, the regional BBL, and in continental competitions (the Euroleague or Eurocup, depending on its current performance), uses the facility for all of its European home fixtures. Siemens Arena also hosts Rytas' home fixtures of the Lithuanian "national derby" against its arch rival BC Žalgiris in both the LKL and BBL.