Luxembourg, also known as Luxembourg City, is the capital city of Luxembourg and the country's most populous commune. Standing at the confluence of the Alzette and Pétrusse rivers in southern Luxembourg, the city lies at the heart of Western Europe, situated 213 km by road from Brussels, 372 km from Paris, and 209 km from Cologne. The city contains Luxembourg Castle, established by the Franks in the Early Middle Ages, around which a settlement developed.
As of 31 December 2021, Luxembourg City has a population of 128,514 inhabitants, which is more than three times the population of the country's second most populous commune. The city's population consists of 160 nationalities.
Wikipedia https://en.wikipedia.org/wiki/Luxembourg_City
Luxembourg Hop-on Hop-off Tour - 24h Ticket https://www.getyourguide.com/luxembourg-l430/luxembourg-hop-on-hop-off-tour-24h-ticket-t4319/?partner_id=J6QH2HY
Coordinates 49°36'40.596" N 6°7'47.276" E