Last few years it has been held in Swansea, but this year will be David Williams Park, Caerphilly Castle Keep ignored.
Leader of Caerphilly County Borough Council Cllr Lindsay Whittle said: "We are honoured to get the opportunity to host this prestigious event, which has become a major fixture in the Welsh musical calendar. The last night of the Proms is such a special occasion and the musical entertainment that will be on offer on September 10 will be in perfect harmony with Caerphilly's magnificent medieval castle providing a breathtaking backdrop for the performance."
The responsible for spearheading the move to the town are Cabinet Member for Regeneration and Countryside, Cllr Ron Davies, said: "We're delighted to have been asked by BBC Cymru Wales to host the concert. We will make sure everyone involved receives a warm welcome from Caerphilly. We look forward to working closely together in order to ensure this wonderful event continues to give the very best musical experience for the people of Wales."BBC Cymru Wales spokeswoman said: "Each year we look at potential locations for a number of key events and we receive keen interest from all across Wales. We have enjoyed many years of close partnership with Swansea Council, but it's time to move on to share some of the magic with new audiences."
Wayne David MP said: "I am absolutely delighted that Proms in the Park is coming to Caerphilly. The Castle is one of the largest in Europe and it will provide a beautiful and spectacular backdrop for the Proms. As the MP for Caerphilly I am really pleased, especially as I am an amateur oboist myself. Who knows I may get the chance to play my oboe at the Proms."