Torneo Federal B was one of two leagues that form the fourth level of the Argentine football league system, made up of 100+ teams playing within eight regional zones across Argentina.

The other league at level four was – and still is – the Primera C Metropolitana, which is a competition for the numerous clubs in the city of Buenos Aires and the Greater Buenos Aires metropolitan area.

The Torneo Federal B was replaced with the similar Torneo Regional Federal Amateur for the 2019 season), while the Primera C continued on as its tier four companion for the Buenos Aires area.

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