For those of you who will travel to Trier for the first time: the nearest train station is Trier Main Station (Hauptbahnhof), from where you can easily walk to the hotel (10 minutes).
If you fly into Frankfurt Hahn Airport, the quickest connection to Trier is via Flibco Bus (ca. 1 hour from Frankfurt Hahn, ca. 3 hours from Frankfurt International, tickets can be booked online: https://www.flibco.com/en#/booking), if you arrive at Luxemburg Airport, you can take either a Flibco Bus or the Emile Weber Bus no. 117 (ca. 1 hour to Trier, tickets can be bought from the driver; https://www.emile-weber.lu/de/linie-rgtr/rgtr/117-16.html).
Trier public transport webpage: http://www.vrt-info.de/en/index.php