Marla is a small town on the Stuart Highway in north-western South Australia. It is located near the Ghan railway line. Marla is accessible by train. The Ghan, run by Great Southern Rail between Adelaide and Darwin arrives twice weekly in each direction. The township centres on the Marla Travellers Rest service station which comprises a supermarket, pub, motel, caravan park, pool and workshop. It is situated east of the Anangu Pitjantjatjara Lands and is a main service for these lands. There is a police station located at Marla which is a base for police officers working on these lands.