For part of its history it totally supplanted the local Greek Orthodox episcopal administration (the mediaeval Metropolis of Argos and Nauplia, now called the Metropolis of Argolis) and at other times existed in competition with it.
It lasted as a residential see until Argos was taken by the Ottoman Empire in 1463, but would be revived under the second Venetian rule in 1686.
Until then, at least some of the nominal bishops of Argos resided at Nauplia; afterwards in Venice.
Known Latin bishops during this period were:;;[1]: 105–106 [2]: 94 [3]: 117 There was a Catholic church hierarchy in Argos and Nauplia at this time, which compelled the Greek Orthodox Metropolis of Argos and Nauplia to relocate to the village of Merbaka, further east.
It has been vacant for decades, having had the following incumbents, all of the fitting episcopal (lowest) rank : [5]: 94 [6]: 98