What group held the highest official position in new spain

The Peninsulares

Explanation:

In the historical past it was used fundamentally in Spanish America, where the concept was socially and terminologically opposed to the Creoles, that is, the Spanish-born Spaniards of Spanish parents, who shared with the peninsulares that trait of caste in the racially stratified society of the Spanish viceregal America. The process of Independence of Hispanic America was to a large extent an expression of creole / peninsular opposition. In this context the name gachupin was used as a derogatory synonym. The Canarian origin of emigrants to Spanish America was marked with the denomination islanders.

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