TG4 is an Irish public service broadcaster for Irish-language speakers and is headquartered in Connemara. The channel has been live since 1996. The channel was formerly known as Teilifís na Gaeilge or TnaG, before rebranding in 1999. 

The daily Irish-language programme schedule is its core service with on average, seven hours of programming in the native Irish language, while the channel is also supported by a wide range of material in other languages, mostly English.