Gönen is a municipality and district of Balıkesir Province, Turkey. Its area is 1,162 km, and its population is 74,871. It lies on the southern part …Gönen is a municipality and district of Balıkesir Province, Turkey. Its area is 1,162 km, and its population is 74,871. It lies on the southern part of Marmara Sea. The town is mostly known for its therapeutic hot springs, leather processing and rice production.