Esshup, i get what you mean now. I do. Thank you very much.
highflyer, thanks for the answer. I haven't gotten my soil analyzed yet. But what qualities of my soil should be analyzed? I don't know what i will expect to know after analysis. We get 600 mm rain , and 1200 mm evaporation. So it's almost horrible.
Kelly , thanks a lot man. I was expecting some help just like you gave me. Thank you. You are right. Our climate is drought and we don't have almost any water. Do you think in this land , is there enough watershed area?
I want to give you some other coordinates and i will appreciate if you can check these coordinates Kelly. 37 04 29.46N 37 10 31.47E It is between 2 seasonal little streams.
If you see any land that you think is suitable for a pond and that's maximum 15 miles(birdfly distance) far away from "Gaziantep" city, i will be happy to hear

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You can see the topografy of the city on this link :
http://www.uydutr.com/topografya/gaziantep