in 1542, the governorate was since its birth under its authority until the formation of the independent Viceroyalty of the Río de la Plata in 1776. Similarly, it was under the jurisdiction of the Royal Audience of Charcas until the formation of the independent Royal Audience of Buenos Aires from 1661 to 1671 and after 1783.

Governors of New Andalusia

*1534-1537