About Hamilton County Sports Authority The Hamilton County Sports Authority (HCSA) is committed to supporting the county’s sport tourism industry as a leading destination for youth, amateur, and professional sports. HCSA partners with several venues and clubs across the county to host youth travel, collegiate, and professional sporting events. This year HCSA will support events with Chatham Hills Golf Club, Grand Park Sports Campus, Carmel Road Racing Group, US Figure Skating, Umoji Games, Indiana Ultimate, Indiana Kayakers, and Association of Pickleball Professionals. For more information, visit https://www.visithamiltoncounty.com/sports/.