the Warsaw Grand Theatre, the largest of its kind in the world. The reconstructed Old Town, which represents examples of nearly every European architectural style and historical period, was listed as a World Heritage Site in 1980. Other architectural attractions include the Royal Castle, Sigismund's Column, the Wilanów Palace, the Palace on the Isle, St. John's Archcathedral, Main Market Square, and numerous churches and mansions along the Royal Route. The Warsaw Zoo is among the largest and most-visited zoological gardens in the country. The city possesses thriving arts and club scenes, gourmet restaurants and large urban green spaces, with around a quarter of the city's area occupied by parks. In sports, the city is known as the home of the top-tier football club Legia Warsaw, the Warsaw Marathon and Poland's national football stadium Stadion Narodowy. Toponymy and names Warsaw's name in the Polish language is . Other previous spellings of the name may have included: , , or . The exact origin of the name is uncertain and has not been fully determined. Originally, Warszawa was the name of a small fishing settlement on the banks of the Vistula river. One theory states that means "belonging to Warsz", being a shortened form of the masculine Old Polish name Warcisław, which etymologically is linked with Wrocław. However the ending -awa is unusual for a large city; the names of Polish cities derived from personal names usually end in -ów/owo/ew/ewo (e.g. Piotrków, Adamów). Folk etymology attributes the city name to Wars and Sawa. There are several versions of the legend with their appearance. According to one version, Sawa was a mermaid living in the Vistula with whom fisherman Wars fell in love. The official city name in full is ("The Capital City of Warsaw"). A native or resident of Warsaw is known as a Varsovian – in Polish , (male), (female), , and (plural). History 1300–1800 The first fortified settlements on the site of today's Warsaw were located in Bródno (9th/10th century) and Jazdów (12th/13th century). After Jazdów was raided by nearby clans and dukes, a new fortified settlement was established on the site of a small fishing village called "Warszowa". The Prince of Płock, Bolesław II of Masovia, established the modern-day city in about 1300 and the first historical document attesting to the existence of a castellany dates to 1313. With the completion of St John's Cathedral in 1390, Warsaw became