The Greater Ontario Convention & Visitors Bureau, a non-profit organization, is the official destination marketing organization to promote the cities of Ontario and Rancho Cucamonga, California to visitors nationally and internationally. As destination experts we provide leisure, meeting groups and meeting professionals with an unbiased, comprehensive resource when booking a tour, convention, meeting or event within the cities of Ontario and Rancho Cucamonga, California. Our Signature Events support the overall mission to drive visitors to the region. The Greater Ontario Convention & Visitors Bureau provides the necessary destination support tools to execute a successful experience. Our mission is to create awareness about this beautiful region located in the heart of Southern California.