Pakistan covers an area of 796,095 km2(307,374 sq mi), approximately equal to the combined land areas of France and the United Kingdom. It is the 36th largest nation by total area, although this ranking varies depending on how the disputed territory of Kashmir is counted. Pakistan has a 1,046 km (650 mi) coastline along the Arabian Sea and the Gulf of Oman in the south and land borders of 6,774 km (4,209 mi) in total: 2,430 km (1,510 mi) with Afghanistan, 523 km (325 mi) with China, 2,912 km (1,809 mi) with India and 909 km (565 mi) with Iran. It shares a marine border with Oman, and is separated from Tajikistan by the cold, narrow Wakhan Corridor. Pakistan occupies a geopolitically important location at the crossroads of South Asia, the Middle East and Central Asia.
Geologically, Pakistan overlaps the Indian tectonic plate in its Sindh and Punjab provinces; Balochistan and most of Khyber Pakhtunkhwa are within the Eurasian plate, mainly on theIranian plateau. Gilgit–Baltistan and Azad Kashmir lie along the edge of the Indian plate and hence are prone to violent earthquakes. Ranging from the coastal areas of the south to the glaciated mountains of the north, Pakistan's landscapes vary from plains to deserts, forests, hills and plateaus .
Pakistan is divided into three major geographic areas: the northern highlands, the Indus Riverplain and the Balochistan Plateau. The northern highlands contain the Karakoram, Hindu Kush and Pamir mountain ranges (seemountains of Pakistan), which contain some of the world's highest peaks, including five of the fourteen eight-thousanders (mountain peaks over 8,000 metres or 26,250 feet), which attract adventurers and mountaineers from all over the world, notably K2 (8,611 m or 28,251 ft) and Nanga Parbat (8,126 m or 26,660 ft). The Balochistan Plateau lies in the west and the Thar Desert in the east. The 1,609 km (1,000 mi) Indus River and its tributaries flow through the country from the Kashmir region to the Arabian Sea. There is an expanse of alluvial plains along it in Punjab and Sindh.
The climate varies from tropical to temperate, with arid conditions in the coastal south. There is a monsoon season with frequent flooding due to heavy rainfall, and a dry season with significantly less rainfall or none at all. There are four distinct seasons: a cool, dry winter from December through February; a hot, dry spring from March through May; the summer rainy season, or southwest monsoon period, from June through September; and the retreating monsoon period of October and November. Rainfall varies greatly from year to year, and patterns of alternate flooding and drought are common.
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