2013 Roanoke Virginia St. Patrick's Day Celebration....Please see the event website for all the details: Southwest Virginia's premiere St. Patrick's Day events, the Roanoke St. Patrick's Day Celebration is now in its 24rd year and continues to grow. The Celtic Festival and the parade take place right in heart of downtown Roanoke, VA. Together it's one of the largest St. Pat's Celebrations in the entire mid-Atlantic region. Each year over 2,500 marchers plus over 10,000 spectators from across the entire region are expected. One reason for the success of this parade and festival is the family-friendly nature of the entire Celebration.