Quite often this type of controlcommand, using keys with punctuation rather than just letters, is language-dependant.
Also, quite often, the physical key is in the same place as it would be in English, making the actual keystroke generated different.
Here are common examples of key-stroke types where the generated character changes, but the position remains the same.
These are common pairing positions for many key command 'sets'. It's recommended if you are using a non-English language you try these positions on your own keyboard, ignoring the actual characters printed on them.
The two on the left are different in ANSI [US] & ISO [UK English & variants for rest of the world]