I came across this map of Spanish viceroyalties a few months ago, and since it can be difficult to find good maps online I thought I’d post it here. Even though there’s a plethora of maps on the Internet, it still seems like the best ones are either overhead-projector transparencies, or printed in books.
This map is of Spanish territory in the Americas during the eighteenth century – it covers all of Latin America and the Spanish-American colonial empire, as well as neighboring British territory, and the Portuguese viceroyalty of Brazil.

The Spanish viceroyalties shown on the map are:

 

From the original map, I created a version without the names of the viceroyalties that can be used for giving a classroom quiz.

(via Encyclopedia Britannica)