Chittagong is the biggest sea-port of Bangladesh. Many commodities are exported through this port. It stands on the river Karnafuli. There are many small hills here. There are roads through these hills for people to pass. There are tress on both sides of these roads. The hills of Chittagong are beautiful to see. The streets of the town are wide and clean. Many ships arrive here every day from other countries. The climate of the town is good for health.