The term 'Asia Desert In' is composed of four crossword solutions: Mongolia (8 letters), Gobi (4 letters), Negev (5 letters), and SINAI (5 letters). Mongolia is a landlocked country in East Asia, bordered by Russia to the north and China to the south. The Gobi Desert is a large desert region in East Asia, covering parts of northern and northwestern China and southern Mongolia. The Negev is a desert in the southern part of Israel, covering more than half of the country's land area. Lastly, the SINAI Peninsula is a triangular peninsula in Egypt, located between the Mediterranean Sea to the north and the Red Sea to the south.