in Motion Index 2017 and 2019 report. In February 2021, fDi Intelligence published a report, "Global Cities of the Future 2021/2022", in which Wrocław was classified in 1st place among all medium and small cities in the world. Etymology The origin of the city's name is disputed. The city was believed to be named after Duke Vratislav I of Bohemia from the Czech Přemyslid dynasty, who supposedly ruled the region between 915 and 921. However, modern scholars, especially Polish ones, denounce this theory as recent archeological studies proved that the city, even if Vratislav ruled over the area, was not founded until at least 20 years after his death. They suggest that founder of the city might have simply been a local prince who only shared the popular West Slavic name with the Bohemian Duke. Another evidence against the Czech origin is that the oldest surviving documents containing the recorded name, like the chronicle of Thietmar of Merseburg from the early 11th century, which records the city's name as "Wrotizlava" and ,,Wrotizlaensem", which all include characteristic to Old Polish -ar- and -ro-, unlike the Old Czech -ra-. The city's first municipal seal was inscribed with Sigillum civitatis Wratislavie. The Old Czech language version of the name was used in Latin documents, as Vratislavia or Wratislavia. In the Polish language, the city's name Wrocław derives from the name Wrocisław, which is the Polish equivalent of the Czech name Vratislav. The earliest variations of this name in the Old Polish language use the letter /l/ instead of /ł/. By the 15th century, the Early New High German variations of the name, Breslau, first began to be used. Despite the noticeable differences in spelling, the numerous German forms were still based on the original West Slavic name of the city, with the -Vr- sound being replaced over time by -Br-, and the suffix -slav- replaced with -slau-. These variations included Vratizlau, Wratislau, Wrezlau or Breßlau among others. In other languages, the city's name is: modern , , (Vrotsláv), (Bresloi), , Silesian German: Brassel and , Vratislavia or Budorgis. People born or resident in the city are known as "Wrocławians" (). During the German era, the demonym was "Breslauer". History In ancient times, there was a place called Budorigum at or near the site of Wrocław. It was already mapped on Claudius Ptolemy's map of AD 142–147. Settlements in the area existed from the