What's the difference between a bay and a harbor?

Bay refers to the bay, which is a natural phenomenon formed naturally.

Harbor refers to the harbor, which is built by human beings and is a man-made phenomenon.

Example:

bay

Cardiff Bay project has attracted many tourists.

Cardiff Bay project has attracted many tourists.

The ships in the bay presented beautiful scenery.

The ships in the bay presented beautiful scenery.

The bay sparkled in the sun.

The bay sparkled in the sun.

The oil company announced the discovery of oil in Liverpool Bay in the Irish Sea.

The oil company announced that it had produced oil in Liverpool Bay in Irish waters.

seaport

The port is full of ships.

The port is full of ships.

They entered the port with a false flag.

They entered the port by cheating.

There is enough water in this port to float a fleet.

There is enough water in this port to accommodate a fleet.

The harbor is full of yachts.

The harbor is full of yachts.