Hi! I went to the KLM Airlines Istanbul Office with my family a while back, and I was impressed. The people were friendly, welcoming, and very helpful with our questions.
https://www.airofficecounter.com/klm-airlines/klm-airlines-istanbul-office-in-turkey/
usa - Al Madam, SH 12345
Street 6 in front of peter`s church - Al Madam, SH 32002