St Patrick's Athletic is a professional football club based in Inchicore, Dublin, Ireland.
Dundalk FC is a professional football club based in Dundalk, County Louth, Ireland.
St Patrick's Athletic was founded in 1929 and Dundalk FC was founded in 1903.
St Patrick's Athletic has won the League of Ireland title 9 times, with their most recent win in 2013.
Dundalk FC has won the League of Ireland title a total of 14 times, with their most recent win in 2019.
The two clubs have a long-standing rivalry, known as the "Louth Derby", with matches between the two often attracting large crowds and intense competition.