Gujjar Nallah (Urdu: گجر نالہ) is a stream in Karachi, Sindh, Pakistan. Urdu ( ur '''{{Nastaliq اردو}}''' trans Urdū, historically spelled Ordu) is a Central Indo-Aryan language Urdu is a standardised Nullah ( Hindi (also Nallah in Punjabiis an Arm of the sea, Stream, or Watercourse) a steep narrow Valley. (ڪراچي) is the largest city in Pakistan. It is the world's second largest city proper behind Mumbai in terms of population which exceeds 10 million Sindh ( Sindhī: سنڌ Urdu: سندھ is one of the four provinces of Pakistan and historically is home to the Sindhis. Pakistan () officially the Islamic Republic of Pakistan, is a country located in South Asia, Southwest Asia, Middle East and It passes through the city from northwest to the centre and merges with Lyari River before draining into the Arabian Sea. Lyari River ( Urdu:لیاری ندی is a small Ephemeral Stream that flows through the Pakistani Megacity of Karachi The Arabian Sea ( Arabic: بحر العرب transliterated: Baḥr al-'Arab Sanskrit: सिन्धु सागर transliterated: