Yemen (ٱلْيَمَن), officially known as the Republic of Yemen (ٱلْجُمْهُورِيَّة ٱلْيَمَنِيَّة), is a country at the southern end of the Arabian Peninsula in Western Asia. Yemen is the second-largest Arab sovereign state in the peninsula, occupying 527,970 km2. The coastline stretches for about 2000 km. It is bordered by Saudi Arabia to the north, the Red Sea to the west, the Gulf of Aden and Guardafui Channel to the south, and the Arabian Sea and Oman to the east. Yemen's territory includes more than 200 islands.
Yemen's constitutionally stated capital is the city of Sana'a, but the city has been under Houthi rebel control since February 2015.