The BOK Center, or Bank of Oklahoma Center, is a 19,199-seat multi-purpose arena and a primary indoor sports and event venue in Tulsa, Oklahoma, United States. Designed to accommodate arena football, hockey, basketball, concerts, and similar events, the facility was built at a cost of $178 million in public funds and $18 million in privately funded upgrades. Ground was broken on August 31, 2005, and a ribbon-cutting ceremony took place on August 30, 2008.