The crossword solutions for the term ASSYRIA CAPITAL are Nineveh (7 letters) and Elam (4 letters). Nineveh was an ancient Assyrian city located on the eastern bank of the Tigris River in modern-day Iraq. It was the capital of the Neo-Assyrian Empire, which was the most powerful empire in the world at the time. Elam was an ancient civilization located in what is now southwestern Iran. It was a major power in the region during the Bronze Age and was eventually conquered by the Assyrians.