Winchester Cathedral Winchester Cathedral Winchester Cathedral is a cathedral of the Church of England in Winchester, Hampshire, England. It is one of the largest cathedrals in Europe, with the longest nave and greatest overall length of any Gothic cathedral in Europe. Dedicated to the Holy Trinity, Saint Peter, Saint Paul, and before the Reformation, Saint Swithun, it is the seat of the Bishop of Winchester and centre of the Diocese of Winchester. The cathedral is a Grade I listed building. The cathedral was founded in 642 on a site immediately to the north of the present one. This building became known as
Cathedral of Saint Domnius AD, is regarded as the oldest Catholic cathedral in the world that remains in use in its original structure, without near-complete renovation at a later date (though the bell tower dates from the 12th century). The structure itself, built in AD 305 as the Mausoleum of Diocletian, is the second oldest structure used by any Christian Cathedral. The cathedral was named after Saint Domnius ("Saint Dujam", or "Saint Domnius") patron saint of Split, who was a 3rd-century Bishop of Salona. Salona was a large Roman city serving as capital of the Province of Dalmatia. Today it is located near the