Bayraktar
Other countries apart from Turkey, with TB2s would appear to include (in alphabetical order)

• Azerbaijan : Azerbaijani Ministery of Defence and Turkish Air Force
• Burkina Faso (Update : 07/01/2022)
• Equatorial Guinea
• Gambia
• Kyrgyzstan
• Libya
• Morocco : CN-AOM, CN-AOS
• Somalia (tentative)
• Ukrain

And odd ones

• TUAF304
• TUAF407
• and recently RSB7612 from Doha

@ 17:11 UTC : After Van 001071's invasion it's this TB2s turn to invade Iraq and a little of Iran too right under the nooses of the USAF.

@ 20:47 UTC : Still there while all the others appear to have gone. "Relentless" indeed, isn't it Uncle Joe ? Acımasız.