#Shiping Controlling Centre - Colombo Harbour
Colombo port is One of the busiest port in South Asia. And very important port for strategic trade, largest commercial harbour with 24×365 service and Number of ships increasing day by day. There is a big dry dock inside the port area. Also port area is not a public little bit it very retraction and security area in Colombo, You need get permission to visit. Several times government opened the port for public visits
https://www.localguidesconnect.com/t5/General-Discussion/colombo-harbour-cmb/td-p/1331889