Welcome to Tehran is an observational documentary that sets out to look at the region and its people not through politicians, officials and analysts but through the eyes of ordinary Iranians.
Omaar has visited Tehran - the region's capital - once before as a news reporter, filming the incendiary demonstrations and recording the uncompromising statements from officials since the aftermath of the Islamic Revolution of 1979.
But his experiences of being in the city never left him.
He says: "There is an energy and vitality to the place that is completely different from the usual images we in the West have of it. And that's why I wanted to return."
In making the film, Omaar tried to see Iran from the inside by visiting people's homes and travelling through a rich variety of neighbourhoods and districts of the city.
Omaar and Producer/Director Paul Sapin struggled for a year to get the right kind of access which gave them the freedom to fully explore these rarely filmed areas.
The film is told as a journey through Tehran but also as a very personal essay by Omaar as he digs deeper into this complex and fascinating society.
Omaar's journey takes him under the skin of the city and he meets with local people who share with him their personal stories and feelings about the current state of affairs in Iran.
There are stories of taxi drivers; wrestlers; business women; people working with drug addicts and the country's leading pop star and his manager – the Simon Cowell of Iran - who drove Omaar around Tehran in his Mercedes-Benz.
Paul Sapin says: "Iran has become a closed society to the West and it is a real challenge to produce a genuine documentary in this region due to problems with access for Western journalists, but wherever we went, we were met with warmth and hospitality.
"Iran is not the austere, humourless place we're led to believe and that was certainly Rageh's experience."
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