La Marsa is a coastal city located in the northeastern part of Tunisia, situated along the Mediterranean Sea. It is part of the Tunis Governo…La Marsa is a coastal city located in the northeastern part of Tunisia, situated along the Mediterranean Sea. It is part of the Tunis Governorate and has a population of around 100,000 people. The city is known for its beaches, upscale residential areas, and lively atmosphere, with numerous restaurants, cafes, and shops. It is connected to Tunis by the TGM railway. Gammarth is adjacent to El Marsa further up the coast.