On the northeastern border of this country, one can find the Atrak River and the Kpet Dag mountain chain.
The Karun river is the smallest navigable channel in this country, which is also home to the Zayandeh River. The home to the Khuzestan Plain, its deserts include the Lut. On the northeastern border of this country, one can find the Atrak River and the Kpet Dag mountain chain. The Sefid river cuts through this country's (*) Alborz mountains, which are located north of the Kavir desert. The southwestern border of this country is formed by the Shatt- al-Arab channel, and the largest mountain chain here is the Zagros. This country is north of the Gulf of Oman and the Persian Gulf. For 10 points, name this Middle Eastern nation with capital at Tehran.
The Karun river is the smallest navigable channel in this country, which is also home to the Zayandeh River.
{Iran}