A1Transport
Das ist mein Platz.
This is my seat.
In German
Das ist mein Platz.
Das ist meyn Plats.
🇬🇧 English
This is my seat.
🇪🇸 Español
Este es mi asiento.
🇮🇹 Italiano
Questo è il mio posto.
Example Dialog
Traveler
Entschuldigen Sie, das ist mein Platz. Ich habe eine Reservierung.
Excuse me, this is my seat. I have a reservation.
Other Passenger
Oh, tut mir leid. Ich habe es nicht gesehen.
Oh, I'm sorry. I didn't see it.
Traveler
Kein Problem.
No problem.
💡
Note
On German trains, especially ICE, reserved seats are indicated by a small paper slip or electronic display above the seat. It's polite to show your ticket/reservation if there's a misunderstanding.