It borders on the Caspian Sea in the west, the Garabogazköl in the north, and the Türkmenbaşy Gulf in the south.

The Türkmenbaşy Ýarymada has a continental dry climate with a precipitation of 100 mm (3.9 in) per year.

The Peninsula is practically covered by the Türkmenbaşy Plateau.

Administratively, the peninsula is in Turkmenistan's Balkan Region.

[2] The peninsula was previously known as the Krasnovodsk Peninsula, but it changed its name when the city at its shores changed its name from Krasnovodsk to Türkmenbaşy.