The bustling city of Nicosia (Lefkosia) in the northern interior has been the capital of Cyprus since the 12th century. It stands today as Europe's only divided city, being split in two by the 'Green Line', a United Nations buffer zone that divides the government-controlled south from the northern section of the island that has been occupied by Turkey since 1974. The modern city centre is surrounded by elegant tree-lined suburbs, but the favoured tourist sector is the old town, which is being extensively renovated. The old town is a picturesque fusion of 16th-century walls, pedestrian precincts, pavement cafes and squares, brimming with charm, character and sightseeing opportunities. The city, on the Mesaoria Plain, is centre of the Nicosia District that includes the valleys of Solea and Pitsilia and parts of Marathasa with its mountain villages, orchards, hill resorts and plethora of Byzantine churches and monasteries. These are within easy reach making a pleasant day trip from the city.