Description : Nione is a municipality in Nyon District in the canton of Vaud in Switzerland. It is located some 25 kilometers north east of Geneva's city centre, and since the 1970s it has become part of the Geneva metropolitan area. It lies on the shores of Lake Geneva and is the seat of Nyon District. The town has (as of December 2019) a population of 21,452 and is famous in the sporting world for being the headquarters of the Union of European Football Associations (UEFA) and the European Club Association (ECA). It is connected to the rest of Switzerland by way of the Route Suisse, the A1 Motorway and the railways of the Arc Lémanique. During the Carolingian era, Nyon belonged to the county of Geneva. In a 926 charter, Rudolph II of Burgundy mentioned that this area was under a comes de pago Equestrico. During the Second Kingdom of Burgundy, Nyon became independent from Geneva. In 1032, Rudolf III granted Nyon to the Archbishop of Besançon. The bishop granted Nyon to the Lord of Prangins as a fief. After 1130, Humbert de Cossonay, the Lord of Prangins, held his court in Nyon. A market was built in 1211. In 1272, the Archbishop of Besançon confirmed Philip of Savoy's right to administer high justice in Nyon. In 1279, Aymon of Prangins unsuccessfully rebelled against the counts of Savoy, but was forced to acknowledge Savoy authority over him and Nyon. The Castle is first mentioned in 1272, but probably dates back to the Lords of Prangins. It was rebuilt by Louis I of Savoy in 1463. The rectangular edifice was built in a variety of styles. Around the same time, the square César Tower or Tour de Rive (now a residence), was built to defend the city. In 1293, Amadeus V, Count of Savoy, and his brother Louis I, Baron of Vaud, conquered the city by besieging it from both the land and the lake. They confirmed the town rights which had been granted to Nyon by Aymon of Prangins, and extended further rights and freedoms. It became one of the four bonnes villes of Canton Vaud. In 1294, Louis I began to expand Nyon as a center of his power after Amadeus granted his share of the conquest to Louis. He created a court and a mint, which minted coins for the lords of Vaud between 1286 and 1350. In 1323 Louis II, granted the so-called mountains of Nyon, i.e. pastures and forests in the area of Arzier and Saint-Cergue, to Nyon. In 1359 Nyon lost importance after Amadeus VI acquired rights over the entire Vaud. In 1364 the town charter of Morges replaced the charter in Nyon. This change was reconfirmed in 1439. Under the new charter, the town gained greater self-sufficiency. The mint in Nyon reopened in 1430. In 1530 the Swiss Confederation invaded Vaud and acquired Nyon. Then in 1536, Nyon surrendered again to Bern without a fight as Bernese troops marched through to support Geneva. Starting in 1323, the municipal government was composed of eight procurators and a mayor. A little later the government was replaced by a community meeting which was headed by two mayors (Syndics). The Town Hall is first mentioned in 1508. Interior of the Church of Notre-Dame A Benedictine priory was founded in the first half of the 12th century in Nyon. In 1244 it was given to the Augustinian order. The last prior, before the Reformation in 1535 was Aymon de Gingins, who was also the abbot of Bonmont and the selected Bishop of Geneva. In 1295–96, Louis I, Duke of Savoy, built a Franciscan monastery under the patronage of St. Francis, in which several members of the House of Savoy were buried. In 1530, Bern and Fribourg plundered the monastery for the first time, and Bern destroyed all the pictures of saints. In 1536, it was burned by the withdrawing Savoy garrison. In 1110 Geneva granted authority over the church of Notre-Dame to the Benedictine abbey of Saint-Oyend (Saint-Claude). The church was built with material from the Roman period and replaced an earlier Christian church. The choir dates from the 12th century, and the nave was built in 1448. The vault and the side chapels were built in 1470–81. Situated outside the city walls was the church of Saint-Jean-Baptiste, also known as Corps-Saints. The church is first mentioned in 1346. By 1412, it was administered by the Augustinian Priory. Until the Reformation it was a pilgrimage site where the relics of the martyrs of the Theban Legion were revered. Bern ordered the church destroyed in 1537.
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