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This page should not be speedily deleted because I believe the article is important 'enough' to be worthy of having its own Wikipedia entry. This is one of the largest luxury developments in Iran. I have travelled around the world, and while googling a destination, it is not that strange to find out that some shopping mall in Thailand might have its own Wikipedia entry.
This project carries even more weight as it is a large project containing a new luxury hotel, two residential buildings, and a shopping mall. Donal Trump has a Wikipedia entry for every building he develops, even if are relatively insignificant. Furthermore, there are other Hotels in Iran, see this page for example: https://en.wikipedia.org/wiki/Category:Hotels_in_Tehran. I think the page for Gran Melia Ghoo fits well.