1) Blue Mosque site 2) City 3) City in northwestern Iran 4) City of Asia 5) City in Iran 6) City in Asia 7) City of Iran 8) Metropolis 9) NW Iranian city 10) One-time capital of Iran 11) Persian rug variety 12) Urban center 13) Valued persian carpet 
[n] - an ancient city in northwestern Iran
noun an ancient city in northwestern Iran; known for hot springs