Belawan is a harbor in Medan, Indonesia. Located on the northeast coast of Sumatra, Belawan is Indonesia's busiest seaport outside of Java.
There are a weekly passenger ship operated by Pelni from Medan to Tanjung Balai Karimun, Batam, Riau Islands and Tanjung Priok, Jakarta
A regular ferry service connects Belawan to across the Strait of Malacca to Penang, Malaysia; at times there was a ferry that also run from Belawan to Phuket, Thailand and to Langkawi, Malaysia.
Wikipedia https://en.wikipedia.org/wiki/Port_of_Belawan
Coordinates 3°47'19.345" N 98°42'24.702" E