The crossword solution for the term 'Carnival Location' is Rio, which is a three-letter word. Rio de Janeiro is the second-most populous city in Brazil and is known for its annual Carnival celebration. The city is located on the Atlantic coast of South America and is home to some of the world's most iconic landmarks, such as the Christ the Redeemer statue and Sugarloaf Mountain. Rio de Janeiro is an ideal location for a carnival celebration due to its vibrant culture and stunning scenery.