Trondheim of the city and its suburbs. In addition, the Nattbuss (Night Bus) service ensures cheap and effective transport for those enjoying nightlife in the city centre during the weekends. The Nattbus has other prices than ordinary buses. The European route E6 highway passes through the city centre of Trondheim in addition to a motorway bypass along the eastern rim of the city. Trondheim is twinned with: Trondheim Trondheim (; historically Kaupangen, Nidaros and Trondhjem) is a city and municipality in Trøndelag county, Norway. It has a population of 193,501 (4th quarter 2017), and is the third-most populous municipality in Norway,
Plzeň Region reside in Plzeň which is the fourth largest city in the Czech Republic with 167 thousand inhabitants. Plzeň is the largest city in the region. There are 56 towns in the region, which account for 67% of the total population. More than 30% of the population lives in municipalities with less than 2000 inhabitants. The Plzeň Region is the third least densely populated region in the Czech Republic. The population density is 75.6 inhabitants per km² while the national average is 133.2 inhabitants per km². The least populated parts of the region are Tachov District (38.5 inhabitants per km²) and