Replying to [read]:
Our national language is Uzbek.
In our city, Samarkand, people mostly speak in Tadjik
In the school I studied in Russian, I was born in the period of USSR.
In the college I learned English and Turkish. I studied in Uzbek-Turkish boy's college. (Yarenimex - Merhaba). But I haven't practiced Turkish since then so I almost forgot Turkish.
I studied in South Korea for MBA program. There I learned Korean.