Gedrosia was a satrap

Satrap

Satrap was the name given to the governors of the provinces of the ancient Median and Achaemenid Empires and in several of their successors, such as the Sassanid Empire and the Hellenistic empires....

y (province) of the Achaemenid Empire

Achaemenid Empire

The Achaemenid Empire , sometimes known as First Persian Empire and/or Persian Empire, was founded in the 6th century BCE by Cyrus the Great who overthrew the Median confederation...

, corresponding to modern Pakistan

Pakistan

Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

i Balochistan

Balochistan (Pakistan)

Balochistan is one of the four provinces or federating units of Pakistan. With an area of 134,051 mi2 or , it is the largest province of Pakistan, constituting approximately 44% of the total land mass of Pakistan. According to the 1998 population census, Balochistan had a population of...

. The capitol of the satrapy was Pura which is probably identical to modern Bampûr, forty kilometers west of Irânshahr.
Several scholars have argued that the Persian satrapy Maka is identical to Gedrosia (which is a Greek name), due to its similarity to the modern name Makran, a part of Pakistan that is situated a bit more to the east. However, it is more likely that Maka is to be sought in modern Oman, which was called Maketa in Antiquity (see Maka (satrapy)

Maka (satrapy)

Maka was a satrapy of the Achaemenid Empire and later a satrapy of the Parthian and Sassanian empires , corresponding to modern day Bahrain, Qatar, and United Arab Emirates, plus the northern half of Oman and also Balochistan and Sindh province of Pakistan...

).