Ontario is a city located in San Bernardino County, California, USA. It is situated in the Inland Empire region and is known for its diverse population and vibrant community. Ontario is a bustling city with a mix of residential, commercial, and industrial areas. The city is home to Ontario International Airport, which serves as a major transportation hub for the region. Ontario offers a range of amenities and attractions for residents and visitors alike. The city is known for its shopping and dining options, with several malls and shopping centers to choose from. Ontario also has a number of parks and recreational facilities, providing opportunities for outdoor activities and leisure.