CIA - The World Factbook: Uruguay - Features map and brief descriptions of the geography, people, government, economy, communications, transportation, military and transnational issues.
NationMaster - Uruguay - Profile includes information for various aspects of the country, with a special emphasis on statistics and rankings.
UruguayInfo.com - Tips and information on society, culture, history and economy for travelers, businessmen and investors.
US Library of Congress - Country Study: Uruguay - December 1990 country profile provides information about its historical setting, society and environment, economy, government and politics, and national security.
Wikipedia - Uruguay - Hyperlinked encyclopedia article covers the country's history, government and politics, geography, economy, demographics, language and culture.