| Rank | Population | Country | Hint | City | % Correct |
|---|---|---|---|---|---|
| 1 | 343,000 | Netherlands | Dom Tower (tallest in the Netherlands) | Utrecht | 97%
|
| 2 | 188'000 | Sweden | Degree Celsius | Uppsala | 87%
|
| 3 | 123,000 | Germany | Church with the tallest steeple, birthplace of Einstein | Ulm | 75%
|
| 5 | 99,000 | Italy | Between the Adriatic Sea and the Alps, Bianconeri Friuliani | Udine | 60%
|
| 4 | 123,000 | Sweden | University town in the north of the country | Umeå | 50%
|
| 6 | 93,000 | Czech Republic | Formerly known as Aussig, River Elbe | Ústí nad Labem | 28%
|
| 8 | 59,000 | Germany | Westphalian Hellweg, near Dortmund | Unna | 17%
|
| 7 | 82,000 | Belgium | Part of the Brussels-Capital Region | Uccle | 15%
|
| 9 | 55,000 | Sweden | One of the largest shell-banks in the world | Uddevalla | 12%
|
| 13 | 42,000 | United Kingdom | Town in Trafford, Greater Manchester, River Mersey | Urmston | 10%
|
| 20 | 26,000 | Lithuania | Clothing, beverage, Lithuania's lowest temperature | Utena | 10%
|
| 11 | 49,000 | Netherlands | Name is derived from the Utrecht Hill Ridge | Utrechtse Heuvelrug | 10%
|
| 14 | 41,000 | Netherlands | Church of Saint-Petrus, Earnie Stewart | Uden | 7%
|
| 16 | 34,000 | Germany | Hundertwasser station | Uelzen | 7%
|
| 17 | 29,000 | Netherlands | Amstel-Drecht Canal | Uithoorn | 7%
|
| 12 | 44,000 | Sweden | Modern suburban town between Stockholm and 2) | Upplands Väsby | 7%
|
| 15 | 35,000 | Spain | Renaissance city, UNESCO World Heritage Site | Úbeda | 6%
|
| 10 | 53,000 | Spain | Virgin of Consolación, Mostachón | Utrera | 6%
|
| 18 | 28,000 | Germany | Munich suburb. served by S1 trains | Unterschleißheim | 3%
|
| 19 | 27,000 | Sweden | Lake Mälaren, formed in 1952 | Upplands-Bro | 3%
|