How do I not scroll my editor to the center?

I wanna create quite a large level/map. like this:

but when i scroll/zoom in, it brings me to the middle. like this:

i wanna zoom in on the most left part. How do i do it?

Please help.

Select your layout, then in the properties panel, change the size of the layout to fit your map.

Select your layout, then in the properties panel, change the size of the layout to fit your map.

oh my, thank u so much!