Niihama is a city located in Ehime Prefecture on the island of Shikoku, Japan. It is known for its industrial heritage, with a strong focus on manufacturing and industry. The city is home to several large factories and industrial complexes, which have played a significant role in the local economy. Niihama is also known for its beautiful natural surroundings, with lush greenery and scenic landscapes. The city is surrounded by mountains and is located along the coast, offering stunning views of the Seto Inland Sea. The area is popular for outdoor activities such as hiking, fishing, and beachcombing.