Sachal Goth is one of the neighborhoods of Gulshan Town in Karachi, Sindh, Pakistan.
Map of Sachal Goth, Karachi, Pakistan
There are several ethnic groups in Sachal Goth including Sindhis as majority, Muhajirs, Punjabis, Kashmiris, Seraikis, Pakhtuns, Balochis, etc. Over 99% of the population is Muslim. The population of Gulshan Town is estimated to be nearly one million.
References
Sachal Goth Wikipedia(Text) CC BY-SA