Tanjung Balai Karimun often abbreviated to Tg. Balai, is the main town at the southern end of the Great Karimun Island, part of the Karimun Regency within the Riau Islands Province of Indonesia. The town forms a conurbation with the adjoining community of Meral to its west. It is often called Tanjung Balai Karimun to distinguish it from the city of the same name, situated in the Asahan Regency.