Marmilla is a natural region of southern-central Sardinia

Sardinia

Sardinia is the second-largest island in the Mediterranean Sea . It is an autonomous region of Italy, and the nearest land masses are the French island of Corsica, the Italian Peninsula, Sicily, Tunisia and the Spanish Balearic Islands.The name Sardinia is from the pre-Roman noun *sard[],...

, Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

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It is delimited from east and south by the Campidano

Campidano

Campidano is a plain located in the south-western area of Sardinia, Italy, covering approximately 100 kilometres between Cagliari and Oristano....

, from north-west by Monte Arci

Monte Arci

The Monte Arci is an isolated massif in the Uras plain in Campidano, Sardinia, Italy. It is composed by three volcanic basalt towers, the highest one reaching an elevation of 812 m...

, from north by the Giara di Gesturi

Giara di Gesturi

The Giara di Gesturi, , is a high and steep-sided basaltic plateau which extends for about in the comuni of Gesturi, Tuili and Setzu in the province of Medio Campidano, and Genoni in the province of Oristano, in the southern central part of the island of Sardinia, Italy.The plateau was formed some...

 and the Giara di Serri, and from east by the Flumini Mannu

Flumini Mannu

The Flumini Mannu is a river in southern Sardinia, Italy.Its springs are located in the hills east of Sardara. It flows into the Stagno di San Giovanni after a course of 42.14 km. The river's main tributaries are the Riu Bellu and the Rio Sitzerri, which for most of the basin of Monte Linas...

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Geologically, most of Marmilla dates to the Miocene

Miocene

The Miocene is a geological epoch of the Neogene Period and extends from about . The Miocene was named by Sir Charles Lyell. Its name comes from the Greek words and and means "less recent" because it has 18% fewer modern sea invertebrates than the Pliocene. The Miocene follows the Oligocene...

 period, and is thus substantially younger than the rest of Sardinia. The landscape is mostly hilly, and human economical activities in the area include agriculture (prevalently cereals and fava beans) and tourism.

Marmilla was inhabited since prehistoric times, as testified by the presence of nuraghe

Nuraghe

The nuraghe is the main type of ancient megalithic edifice found in Sardinia. Today it has come to be the symbol of Sardinia and its distinctive culture, the Nuragic civilization...

. To the Carthaginian

Carthage

Carthage , implying it was a 'new Tyre') is a major urban centre that has existed for nearly 3,000 years on the Gulf of Tunis, developing from a Phoenician colony of the 1st millennium BC...

 domination date the fortress of Genoni

Genoni

Genoni is a comune in the Province of Oristano in the Italian region Sardinia, located about 70 km north of Cagliari and about 35 km southeast of Oristano...

. During the Middle Ages it was part of the Giudicato of Arborea and of the Giudicato of Cagliari

Giudicato of Cagliari

The Giudicato of Cagliari was one of the four Sardinian giudicati of the Middle Ages. It covered the entire south and central east portion of the island and was composed of thirteen subdivisions called curatoriae. To its north and west lay Arborea and north and on the east lay Gallura and Logudoro...

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