Sindh /sɪnd/ (Sindhi: سنڌ ; Urdu: سندھ) is one of the four provinces of Pakistan, in the southeast of the country. Historically home to the Sindhi people, it is also locally known as the Mehran. 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. Sindh's climate is noted for hot summers and mild winters. The provincial capital of Sindh is Pakistan's largest city and financial hub, Karachi.
Sindh has Pakistan's second largest economy with Karachi being its capital that hosts the headquarters of several multinational banks. Sindh is home to a large portion of Pakistan's industrial sector and contains two of Pakistan's commercial seaports, Port Bin Qasim and the Karachi Port. The remainder of Sindh has an agriculture based economy, and produces fruit, food consumer items, and vegetables for the consumption other parts of the country. Sindh is also the centre of Pakistan's pharmaceutical industry.
Sindh is known for its distinct culture which is strongly influenced by Sufism, an important marker of Sindhi identity for both Hindus (Sindh has Pakistan's highest percentage of Hindu residents) and Muslims in the province. Several important Sufi shrines are located throughout the province which attract millions of annual devotees.