Hey there @AtaolArslan,
Thanks for expressing interest in having Premium Family Duo in Turkey.
We encourage you to post an Idea about this, so all the of the other users who are interested can go there and add their vote. The more votes an Idea gets, the more likely it is for it to get implemented.
After thee Idea is created, users can go there and vote by clicking on +VOTE. Subscribing is also easy - whoever wants to stay up to date should click on the three dots in the upper right corner next to the title 🙂
Hope this helps! Let us know if there's anything else Spotify-related that we can lend you a helping hand with by opening another thread.
We're here for you!
Hope you'll find this useful. Give us a shout if you have any other questions 🙂