Partido Auténtico was created in 1934.
Patagones Partido was created in 1779.
Chascomús Partido was created in 1801.
Arrecifes Partido was created in 1901.
Luján Partido was created in 1731.
Pergamino Partido was created in 1626.
Partido Ortodoxo was created in 1947.
Tornquist Partido was created in 1910.
Azul Partido was created on 1832-12-16.
Corazón Partido was created on 2005-11-01.
Tandil Partido was created on 1823-04-04.
Magdalena Partido was created on 1611-05-16.
Lezama Partido was created on 2009-12-22.