Soltanieh Dome (Gonbad Soltanieh) - Zanjan
Soltanieh Dome lies south west of the Cohan Dej (Royal citadel). It was constructed during the reign of Sultan Mohammad Khoda Bandeh (Oljaito) in the years 704-712 AH. This structure has 8 elevated porticoes and about 50 chambers, including an area which is also similar to a chamber.