Spanish-speaking countries are nations where Spanish is the official or predominant language. These countries are primarily located in Latin America and Spain. Some of the most well-known Spanish-speaking countries include Mexico, Argentina, Colombia, and Chile. In total, there are 21 countries where Spanish is the official language, along with several territories. Additionally, Spanish is widely spoken in the United States and is one of the official languages of international organizations like the United Nations. The rich cultural diversity in these countries is reflected in their traditions, music, and cuisine.