«S4C» is a Welsh language free-to-air public service television channel, broadcasting from Wales, United Kingdom. It stands for Sianel 4 Cymru, which translates to Channel 4 Wales. The channel was launched on November 1, 1982, as a response to the recommendations of the Broadcasting Inquiry for Wales, which sought to increase the visibility of the Welsh language on television.

«S4C» is funded by a combination of a government grant and advertising revenue. The channel features a diverse range of programming, including news, drama, documentaries, children's programs, and entertainment. It aims to entertain, inform, and educate its viewers while promoting the use of the Welsh language.

«S4C» has played a significant role in preserving and promoting the Welsh language and culture. The channel has been praised for its commitment to producing high-quality programming that appeals to a wide audience. It has also been recognized for its contribution to the development of the Welsh television industry.