How to know position for town buildings

There are position x, y. I have images of the town and its buildings, but dont know which position. How to check its positions as x and y? Town buildings and also inside Town hall

Thanks in advance

Look at this post:

and town hall buildings?

Town hall icons have 150x70 px resolution. You can cut bigger rectangle icons (only you have to keep 150/70 ratio) and resize them to 150x70.

Thank you