is one of the four provinces of Pakistan. Located in the southeast of the country, it is the historical home of the Sindhi people. Sindh is the third largest province of Pakistan by area, and second largest province by population after Punjab. Sindh is bordered by Balochistan province to the west, and Punjab province to the north. Sindh also borders the Indian states of Gujarat and Rajasthan to the east, and Arabian Sea to the south. Sindh's landscape consists mostly of alluvial plains flanking the Indus River, the Thar desert in the eastern portion of the province closest to the border with India, and the Kirthar Mountains in the western part of Sindh.