The Cardiff Bay is a waterfront area in Cardiff, Wales. It is a popular tourist destination with a variety of shops, restaurants, and attractions. The Cardiff Bay was developed in the 1990s and is now a vibrant and modern area of the city. It is home to the Wales Millennium Centre, the Cardiff Bay Opera House, and the Cardiff Bay Barrage. The Cardiff Bay is also a popular place to visit for shopping, dining, and enjoying the waterfront views.