Regional Website - accommodations, attractions, wine & dine, shopping, festivals & events and special offers - throughout the entire NIAGARA REGION! The Niagara Region is located in southern Ontario, Canada, between Lake Ontario and Lake Erie. Niagara Region's twelve municipalities (Niagara Falls, Niagara-on-the-Lake, Fort Erie, St. Catharines, Port Colborne, Thorold, Wainfleet, Welland, West Lincoln, Pelham and Lincoln) all have there own unique cultural and recreational resources, natural heritage sites, festivals and events.