Map problem

[xSn0kzz]

Hi everyone, I have a problem on my server, more particulièrements on the map, the white square move and does not remain in the middle of the sudden we can not all see all the villages on the map and I want how to make the white square remains the circles of the small card that is 2 screenshots in case you do not understand ^^
Thank you in advance
PS: I'm sorry for my english spelling , i'm french

Problem

If I want