A bay is a body of water partially enclosed by land where the curvature inward. Bays provide safe spaces for fishing and shelter from ocean elements, making them suitable for harbors and development. Examples given include San Francisco Bay, Bay of Pigs, Hudson Bay, Chesapeake Bay, and Bay of Bengal. Bays are usually calmer than open seas or oceans, reducing risks of damage from waves or storms. Most major port cities are located on bays.