The geography and climate of Pakistan are extremely diverse, and the country is home to a wide variety of wildlife. Pakistan covers an area of , approximately equal to the combined land areas of France and the United Kingdom. It is the 33rd-largest nation by total area, although this ranking varies depending on how the disputed territory of Kashmir is counted. Pakistan has a  coastline along the Arabian Sea and the Gulf of Oman in the south and land borders of  in total:  with Afghanistan,  with China,  with India and  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.