The phrase "to donate the space" means to give or offer a physical area or location to someone or something for free. It refers to providing a place without any cost or expectation of payment. Full definition
The management team at The Factory have generously donated this space for us to host art exhibitions throughout the year. (licartsopen.org)
The animal hospitals donate the space to house our animals and provide daily routine care, medical care, and a place to show animals / process adoptions. (helpsavepets.org)
We are so gracious of the owners to donate their space for this awesome event. (midwestmomandwife.com)