Töölö Football Stadium, officially Bolt Arena for sponsorship reasons, and known as Helsinki Football Stadium for UEFA events, is a football stadium in Töölö, Helsinki, Finland. It is the home stadium of Veikkausliiga club HJK Helsinki, temporarily also serving as home ground for IF Gnistan. Previous sponsorship names include Telia 5G -areena until January 2020, Sonera Stadium until April 2017, and Finnair Stadium until August 2010. Wikipedia