mountains along iran's border with iraq and the persian gulf
Geography of Iran The topography of Iran consists of rugged, mountainous rims surrounding high interior basins. The main mountain chain is the Zagros Mountains, a series of parallel ridges interspersed with plains that bisect the country from northwest to southeast. Many peaks in the Zagros exceed 3,000 metres (9,843 ft) above sea level, and in the south-central region of the country there are at least five peaks that are over 4,000 metres (13,123 ft).
Saudi Arabia Saudi Arabia[c] (/ˌsɔːdi əˈreɪbiə/ ( listen), /ˌsaʊ-/ ( listen)), officially the Kingdom of Saudi Arabia (KSA),[d] is a sovereign Arab state in Western Asia constituting the bulk of the Arabian Peninsula. With a land area of approximately 2,150,000 km2 (830,000 sq mi), Saudi Arabia is the largest country in the Middle East, geographically the fifth-largest in Asia, second-largest in the Arab world after Algeria and 12th-largest in the world. Saudi Arabia is bordered by Jordan and Iraq to the north, Kuwait to the northeast, Qatar, Bahrain and the United Arab Emirates to the east, Oman to the southeast and Yemen to the south. It is separated from Israel and Egypt by the Gulf of Aqaba. It is the only nation with both a Red Sea coast and a Persian Gulf coast, and most of its terrain consists of arid desert, lowland and mountains.