Samanabad (), or Block 18 of Federal B Area, is one of the neighborhoods of Gulberg Town in Karachi, Sindh, Pakistan.
Several ethnic groups reside in Samanabad, including Muhajirs as majority, Sindhis, Punjabis, Kashmiris, Seraikis, Pakhtuns, Balochis, etc. Over 99% of the population is Muslim. The population of Gulberg Town is estimated to be nearly one million