The capital city of Wales is Cardiff. This vibrant city, located on the southern coast of Wales, is the largest city in the country and serves as its political, economic, and cultural center. Cardiff is home to several notable landmarks, including Cardiff Castle and the Wales Millennium Centre. It has a rich history and is known for its diverse architecture and vibrant arts scene. As a city with a strong sporting culture, Cardiff also plays host to significant events, especially in rugby. Its identity as a capital is reinforced by its role in Welsh governance and its representation of Welsh culture.